S-U 字母段 核心词汇
本页收录 139 个四级核心词汇，按字母排序。点击单词可查看例句。
| 单词 | 音标 | 释义 | 例句 |
|---|---|---|---|
| sacrifice | /ˈsækrɪfaɪs/ | v./n. 牺牲；献祭 | She sacrificed her career for her family. |
| salary | /ˈsæləri/ | n. 薪水 | He earns a decent salary. |
| satisfactory | /ˌsætɪsˈfæktəri/ | adj. 令人满意的 | The result is far from satisfactory. |
| scale | /skeɪl/ | n. 规模；比例尺；刻度 | The project is on a large scale. |
| scandal | /ˈskændl/ | n. 丑闻 | The scandal damaged his reputation. |
| scatter | /ˈskætər/ | v. 分散；撒播 | The wind scattered the leaves. |
| schedule | /ˈskedʒuːl/ | n./v. 时间表；安排 | The meeting is scheduled for 3 p.m. |
| scheme | /skiːm/ | n. 计划；方案 | The government launched a new pension scheme. |
| scholar | /ˈskɑːlər/ | n. 学者 | He is a distinguished scholar in the field. |
| score | /skɔːr/ | n./v. 分数；得分 | He got a high score on the test. |
| scream | /skriːm/ | v./n. 尖叫 | She screamed when she saw the spider. |
| security | /sɪˈkjʊrəti/ | n. 安全；保安 | National security is a top priority. |
| seek | /siːk/ | v. 寻找；寻求 | Many people seek a better life in cities. |
| seize | /siːz/ | v. 抓住；夺取 | Seize every opportunity to learn. |
| select | /sɪˈlekt/ | v./adj. 选择；精选的 | A panel of judges selected the winner. |
| senior | /ˈsiːniər/ | adj./n. 大四的；高级的；长者 | He is a senior manager at the firm. |
| sensitive | /ˈsensətɪv/ | adj. 敏感的 | She is sensitive to criticism. |
| sentence | /ˈsentəns/ | n./v. 句子；判决 | He was sentenced to five years in prison. |
| separate | /ˈsepəreɪt/ | v./adj. 分开；独立的 | The river separates the two countries. |
| sequence | /ˈsiːkwəns/ | n. 顺序；连续 | The events happened in a strange sequence. |
| settle | /ˈsetl/ | v. 解决；定居；安定 | They settled in a small town. |
| severe | /sɪˈvɪr/ | adj. 严重的；严厉的 | The drought is severe this year. |
| shelter | /ˈʃeltər/ | n./v. 庇护所；保护 | They found shelter from the storm. |
| shift | /ʃɪft/ | v./n. 转变；轮班 | The focus has shifted to online education. |
| shortage | /ˈʃɔːrtɪdʒ/ | n. 短缺；不足 | There is a shortage of medical supplies. |
| signal | /ˈsɪɡnəl/ | n./v. 信号；发信号 | The red light is a warning signal. |
| significance | /sɪɡˈnɪfɪkəns/ | n. 重要性；意义 | The discovery has great significance. |
| significant | /sɪɡˈnɪfɪkənt/ | adj. 重要的；显著的 | There has been a significant improvement. |
| simplify | /ˈsɪmplɪfaɪ/ | v. 简化 | Can you simplify the explanation? |
| sincere | /sɪnˈsɪr/ | adj. 真诚的 | Please accept my sincere apologies. |
| situation | /ˌsɪtʃuˈeɪʃn/ | n. 情况；形势 | The situation is under control. |
| slight | /slaɪt/ | adj. 轻微的；微小的 | There is a slight chance of success. |
| slip | /slɪp/ | v./n. 滑倒；疏忽 | He slipped on the wet floor. |
| social | /ˈsoʊʃl/ | adj. 社会的；社交的 | Social media has changed communication. |
| solar | /ˈsoʊlər/ | adj. 太阳的 | Solar energy is clean and renewable. |
| solution | /səˈluːʃn/ | n. 解决方案 | We need to find a practical solution. |
| somehow | /ˈsʌmhaʊ/ | adv. 以某种方式；不知怎么地 | Somehow, everything worked out fine. |
| sophisticated | /səˈfɪstɪkeɪtɪd/ | adj. 复杂的；精密的；老练的 | The equipment is highly sophisticated. |
| source | /sɔːrs/ | n. 来源；源头 | What is the source of this information? |
| specialist | /ˈspeʃəlɪst/ | n. 专家 | You should see a specialist for this condition. |
| species | /ˈspiːʃiːz/ | n. 物种 | Many species are facing extinction. |
| specific | /spəˈsɪfɪk/ | adj. 具体的；特定的 | Can you be more specific? |
| speculate | /ˈspekjuleɪt/ | v. 推测；投机 | People speculated about his sudden departure. |
| spiritual | /ˈspɪrɪtʃuəl/ | adj. 精神的；心灵的 | Music provides spiritual comfort. |
| split | /splɪt/ | v./n. 分裂；分开 | The party split over the issue. |
| sponsor | /ˈspɑːnsər/ | v./n. 赞助；赞助商 | The event was sponsored by local businesses. |
| spot | /spɑːt/ | n./v. 地点；斑点；发现 | This is a popular tourist spot. |
| stability | /stəˈbɪləti/ | n. 稳定 | Political stability attracts investment. |
| stable | /ˈsteɪbl/ | adj. 稳定的 | The patient's condition is stable now. |
| staff | /stæf/ | n. 全体员工 | The staff are very friendly and helpful. |
| standard | /ˈstændərd/ | n./adj. 标准；标准的 | The quality meets international standards. |
| starve | /stɑːrv/ | v. 饿死；挨饿 | Millions starve while others waste food. |
| statistics | /stəˈtɪstɪks/ | n. 统计数据；统计学 | Statistics show a decline in crime. |
| status | /ˈsteɪtəs/ | n. 地位；状态 | He achieved a high social status. |
| steady | /ˈstedi/ | adj. 稳定的；持续的 | He has made steady progress this year. |
| stem | /stem/ | v./n. 起源于；遏制；茎 | The problem stems from poor communication. |
| stimulate | /ˈstɪmjuleɪt/ | v. 刺激；激发 | Good teachers stimulate students' curiosity. |
| stock | /stɑːk/ | n./v. 库存；股票；储备 | The store has a large stock of books. |
| strategy | /ˈstrætədʒi/ | n. 策略；战略 | We need a long-term strategy. |
| strength | /streŋθ/ | n. 力量；优势 | Unity is our greatest strength. |
| stretch | /stretʃ/ | v./n. 伸展；延伸 | Stretch your legs after sitting for long. |
| striking | /ˈstraɪkɪŋ/ | adj. 显著的；引人注目的 | There is a striking contrast between the two. |
| structure | /ˈstrʌktʃər/ | n./v. 结构；构造 | The company has a flat organizational structure. |
| struggle | /ˈstrʌɡl/ | v./n. 奋斗；挣扎 | She struggled to make ends meet. |
| submit | /səbˈmɪt/ | v. 提交；屈服 | Please submit your application by Friday. |
| subsequent | /ˈsʌbsɪkwənt/ | adj. 随后的 | Subsequent events proved him wrong. |
| substance | /ˈsʌbstəns/ | n. 物质；实质 | Water is a vital substance for life. |
| substitute | /ˈsʌbstɪtuːt/ | v./n. 替代；替代品 | There is no substitute for hard work. |
| succeed | /səkˈsiːd/ | v. 成功；继承 | If at first you don't succeed, try again. |
| suffer | /ˈsʌfər/ | v. 遭受；受苦 | Many people suffer from anxiety. |
| sufficient | /səˈfɪʃnt/ | adj. 足够的 | Do you have sufficient evidence? |
| suggest | /səˈdʒest/ | v. 建议；暗示 | I suggest taking a different approach. |
| suicide | /ˈsuːɪsaɪd/ | n. 自杀 | The suicide rate among teenagers rose. |
| summary | /ˈsʌməri/ | n./adj. 摘要；概括的 | Here is a brief summary of the report. |
| superior | /suːˈpɪriər/ | adj. 优越的；上级的 | This product is superior in quality. |
| supplement | /ˈsʌplɪment/ | v./n. 补充；增补 | She took a part-time job to supplement her income. |
| supply | /səˈplaɪ/ | n./v. 供应；供给 | The supply of food is adequate. |
| support | /səˈpɔːrt/ | v./n. 支持；支撑 | I fully support your decision. |
| suppose | /səˈpoʊz/ | v. 假设；认为 | I suppose you are right. |
| supreme | /suːˈpriːm/ | adj. 最高的；至高无上的 | The Supreme Court made the final decision. |
| surface | /ˈsɜːrfɪs/ | n./v. 表面；浮出水面 | The submarine surfaced near the coast. |
| surgeon | /ˈsɜːrdʒən/ | n. 外科医生 | The surgeon performed a complex operation. |
| surplus | /ˈsɜːrplʌs/ | n./adj. 盈余；过剩的 | The budget is in surplus this year. |
| surround | /səˈraʊnd/ | v. 包围；环绕 | The lake is surrounded by mountains. |
| survival | /sərˈvaɪvl/ | n. 生存；幸存 | The survival rate has improved. |
| suspect | /səˈspekt/ | v./n. 怀疑；嫌疑犯 | I suspect he is lying. |
| suspend | /səˈspend/ | v. 暂停；悬挂 | Flights were suspended due to the storm. |
| suspicious | /səˈspɪʃəs/ | adj. 可疑的；怀疑的 | The police found his behavior suspicious. |
| sustain | /səˈsteɪn/ | v. 维持；承受；支撑 | We must sustain our efforts to reduce pollution. |
| survey | /ˈsɜːrveɪ/ | n./v. 调查；勘测 | A recent survey shows increased satisfaction. |
| survive | /sərˈvaɪv/ | v. 存活；幸存 | Only a few survived the crash. |
| swallow | /ˈswɑːloʊ/ | v./n. 吞咽；燕子 | She swallowed her pride and apologized. |
| symbol | /ˈsɪmbl/ | n. 象征；符号 | The dove is a symbol of peace. |
| sympathy | /ˈsɪmpəθi/ | n. 同情；赞同 | I have sympathy for the victims. |
| systematic | /ˌsɪstəˈmætɪk/ | adj. 系统化的 | We need a systematic approach to the problem. |
| tackle | /ˈtækl/ | v. 处理；对付 | We must tackle the root cause of the problem. |
| target | /ˈtɑːrɡɪt/ | n./v. 目标；瞄准 | The campaign targets young people. |
| technique | /tekˈniːk/ | n. 技术；技巧 | She improved her writing technique. |
| technology | /tekˈnɑːlədʒi/ | n. 技术；科技 | Technology has revolutionized education. |
| temporary | /ˈtempəreri/ | adj. 临时的 | This is only a temporary solution. |
| tend | /tend/ | v. 倾向于；照料 | People tend to underestimate risks. |
| terminal | /ˈtɜːrmɪnl/ | n./adj. 终点站；晚期的 | The bus stops at the central terminal. |
| territory | /ˈterətɔːri/ | n. 领土；领域 | The birds defend their territory fiercely. |
| thorough | /ˈθɜːroʊ/ | adj. 彻底的；全面的 | We need a thorough investigation. |
| threat | /θret/ | n. 威胁 | Climate change is a serious threat. |
| thrive | /θraɪv/ | v. 繁荣；兴旺 | Small businesses thrive in this community. |
| tolerance | /ˈtɑːlərəns/ | n. 容忍；宽容 | We should show tolerance toward different views. |
| tough | /tʌf/ | adj. 艰难的；坚强的 | It was a tough decision to make. |
| trace | /treɪs/ | v./n. 跟踪；追溯；痕迹 | The police traced the suspect's phone. |
| track | /træk/ | n./v. 轨道；追踪 | Keep track of your expenses. |
| tradition | /trəˈdɪʃn/ | n. 传统 | It is a tradition to give red envelopes during Spring Festival. |
| transfer | /trænsˈfɜːr/ | v./n. 转移；调动 | He transferred to another department. |
| transform | /trænsˈfɔːrm/ | v. 转变；改造 | Education can transform lives. |
| transition | /trænˈzɪʃn/ | n. 过渡；转变 | The country is in transition to a market economy. |
| transmit | /trænsˈmɪt/ | v. 传输；传播 | The disease is transmitted through the air. |
| transport | /ˈtrænspɔːrt/ | n./v. 交通；运输 | Public transport is convenient in this city. |
| treasure | /ˈtreʒər/ | n./v. 宝藏；珍惜 | I treasure the time spent with family. |
| treat | /triːt/ | v./n. 对待；治疗；款待 | Doctors treat patients with care. |
| tremendous | /trɪˈmendəs/ | adj. 巨大的；惊人的 | The project required tremendous effort. |
| trend | /trend/ | n. 趋势；潮流 | The trend is toward more remote work. |
| trial | /ˈtraɪəl/ | n. 审判；试验 | The new drug is still in clinical trials. |
| trick | /trɪk/ | n./v. 诡计；欺骗 | He fell for the same trick twice. |
| trigger | /ˈtrɪɡər/ | v./n. 触发；扳机 | Stress can trigger health problems. |
| triumph | /ˈtraɪʌmf/ | n./v. 胜利；成功 | It was a triumph of human spirit. |
| tropical | /ˈtrɑːpɪkl/ | adj. 热带的 | Tropical rainforests are rich in biodiversity. |
| tuition | /tuˈɪʃn/ | n. 学费；教学 | Tuition fees have risen sharply. |
| typical | /ˈtɪpɪkl/ | adj. 典型的 | This is a typical example of his work. |
| ultimate | /ˈʌltɪmət/ | adj./n. 最终的；终极 | The ultimate goal is to eliminate poverty. |
| undergo | /ˌʌndərˈɡoʊ/ | v. 经历；遭受 | The patient underwent surgery yesterday. |
| undermine | /ˌʌndərˈmaɪn/ | v. 削弱；损害 | Constant criticism undermines confidence. |
| undertake | /ˌʌndərˈteɪk/ | v. 承担；从事 | She undertook the task willingly. |
| unemployment | /ˌʌnɪmˈplɔɪmənt/ | n. 失业 | Unemployment is a serious social problem. |
| unfortunately | /ʌnˈfɔːrtʃənətli/ | adv. 不幸地 | Unfortunately, the plan didn't work. |
| unique | /juˈniːk/ | adj. 独特的 | Each fingerprint is unique. |
| universal | /ˌjuːnɪˈvɜːrsl/ | adj. 普遍的；宇宙的 | Music is a universal language. |
| update | /ˌʌpˈdeɪt/ | v./n. 更新 | Please keep me updated on the progress. |
| urban | /ˈɜːrbən/ | adj. 城市的 | Urban areas are expanding rapidly. |
| urge | /ɜːrdʒ/ | v./n. 催促；强烈欲望 | I urge you to reconsider your decision. |
| utilize | /ˈjuːtəlaɪz/ | v. 利用；使用 | We should utilize our resources wisely. |
记忆提示
本页共 139 个核心词汇。建议每天记忆 30-50 个，配合例句在语境中理解。