| 词汇 | blast |
| 词根词缀 | 词源： O.E. blæst "blowing, breeze, puff of wind," from P.Gmc. *bles- (cf. O.N. blastr, O.H.G. blast "a blowing, blast," Ger. blasen, Goth. blesan "to blow"), from PIE *bhle- "to blow," probably a variant of base *bhel- (2) "to swell, blow up" (see bole). Meaning "explosion" is from 1630s; that of "noisy party, good time" is from 1953, Amer.Eng. slang. Sense of "strong current of air for iron-smelting" (1690s) led to blast furnace and transfered sense in full blast "the extreme" (1839). Blast was the usual word for "a smoke of tobacco" c.1600. Blast off first recorded 1951. 词根记忆： n. 一阵(风);爆炸冲击波;管乐器声v.爆炸After the blast the plastics show everlasting elasticity.爆炸过后,塑胶显示出永久的弹性. |
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