9个实用英语单词及核心知识
1. ambiguous（adj. 模糊不清的）
- 搭配：ambiguous statement（模糊的表述）；ambiguous meaning（歧义）
- 例句：Her reply was ambiguous, so I didn’t know if she agreed.
2. persevere（v. 坚持；不屈不挠）
- 固定搭配：persevere in/with sth.（坚持做某事）
- 例句：He persevered with his studies even when he was tired.
3. ephemeral（adj. 短暂的；瞬息的）
- 近义词：temporary（暂时的）；反义词：permanent（永久的）
- 语境：The ephemeral beauty of cherry blossoms makes people cherish them more.
4. mitigate（v. 减轻；缓解）
- 常用场景：mitigate risks（降低风险）；mitigate pain（缓解疼痛）
- 例句：Exercising regularly can mitigate the effects of stress.
5. ubiquitous（adj. 普遍存在的；无处不在的）
- 联想记忆：源于拉丁语“ubique”（到处），可联想“手机在现代生活中ubiquitous”
- 例句：Social media has become ubiquitous in young people’s lives.
6. plausible（adj. 看似合理的；可信的）
- 易混词：possible（可能的），plausible强调“表面合理，未必真实”
- 例句：His explanation sounds plausible, but I still have doubts.
7. replenish（v. 补充；重新装满）
- 搭配：replenish energy（补充能量）；replenish supplies（补充物资）
- 例句：Drink water to replenish fluids after working out.
8. skeptical（adj. 怀疑的；不相信的）
- 固定搭配：be skeptical of/about sth.（对某事怀疑）
- 例句：She was skeptical of the new product’s claimed benefits.
9. vibrant（adj. 充满活力的；鲜艳的）
- 双重含义：可形容人（vibrant personality，活力四射的性格）或事物（vibrant colors，鲜艳的色彩）
- 例句：The city has a vibrant nightlife with many restaurants and clubs.
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