| 词汇 | fall |
| 词根词缀 | 词源： fall (v.) O.E. feallan (class VII strong verb; past tense feoll, pp. feallen), from P.Gmc. *fallanan (cf. O.N. falla, O.H.G. fallan), from PIE base *phol- "to fall" (cf. Armenian p'ul "downfall," Lith. puola "to fall," O.Prus. aupallai "finds," lit. "falls upon"). Noun sense of "autumn" (now only in U.S.) is 1664, short for fall of the leaf (1545). That of "cascade, waterfall" is from 1579. Most of the figurative senses had developed in M.E. Meaning "to be reduced" (as temperature) is from 1658. To fall in love is attested from 1530; to fall asleep is 1393. Fall guy is from 1906. Fallout "radioactive particles" is from 1950. Fallen "morally ruined" is from 1628. 词根记忆： v. 跌倒;下降;减弱;坠落;变成,陷于n.秋季A gallon of gasoline and the nylon overalls fall into the valley.一加仑汽油和尼龙工作裤落进了山谷. |
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