| 单词 | retard |
|---|---|
| 音标 | [ri'tɑ:d] |
| 解释 | v.妨碍；减速 |
| 红宝书 | 【英】 v. 妨碍，减速(to slow down; impede) 【考】 divert : shunt / retard : brake(转轨是用来转向/刹 车是用来减速)反义词: speed up(加速); accelerate(加速); expedite(促进); catalyze(促进); precipitate (加速) 【记】 re(使)+tard(迟缓)→ 使…迟缓→妨碍 【同】 同根词：tardy(行动 慢的，迟到的); retarded(智力迟钝的) |
| 字源 | retard (v.) late 15c., "make slow or slower," from French retarder "restrain, hold (someone) back, keep (someone from doing something); come to a stop" (13c.) or directly from Latin retardare "make slow, delay, keep back, hinder" (see retardation). Related: Retarded; retarding. The noun is recorded from 1788 in the sense "retardation, delay;" from 1970 in offensive meaning "retarded person," originally American English, with accent on first syllable. Other words used for "one who is mentally retarded" include retardate (1956), retardee (1971). |
| 不择手段背单词 | v. 妨碍; 减速 【记】re反复, tard迟缓－妨碍 【参】tardy(adj 缓慢的); retarded(adj 智力迟钝的) 【类】divert: shunt = retard: brake转轨用来转向 = 刹车用来减速 【反】speed up(加速); accelerate(v 加速); expedite(v 加速); catalyze(v 催化; 促进); precipitate(v 促成) |
| 趣味全助记 | 【记】re + tardy 迟缓的；音：拖的，邋的，拖邋 【相关】bastard 私生子 和retard口语中是骂人的话 |
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