| 单词 | incidence |
|---|---|
| 音标 | ['insidəns] |
| 解释 | n.事情发生；发生率 |
| 红宝书 | 【英】 事情发生;发生率,影 响范围(extent to which sth happens or has an effect) 【记】 in(进入)+cid(落下)+ ence→掉进来的事→ 事情发生 |
| 字源 | incidence (n.) early 15c., "incidental matter," from Middle French incidence (15c.), from Late Latin incidentia (see incident (n.)). Meaning "act of coming into contact with" is from 1650s; sense in physics is from 1620s. |
| 不择手段背单词 | n. 事情发生; 出现 = occurrence; (常与of连用)发生率 【记】in进入, cid落, ence－事情刚掉进来－发生 【区】accident(n 意外事件; 事故) |
| 趣味全助记 | 【记】incident 事件 |
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