| 正面 | 5317.blast 英 [blɑːst]美 [blæst]     |
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| 背面 |      释义： 1. 不能够持续就爆炸, 爆炸就是那种瞬间炸开的东西，而不是那种持续性的、慢慢的发生的那种情形。2. 不持续就爆炸. 无法持续只能爆炸.3. blast => clast: c‐开，炸开了岩石成碎屑.4. 由b到c, 这是字母顺序关联性，因此clast可以看成是blast爆炸后的结果.n. 爆炸；冲击波；一阵vi. 猛攻vt. 爆炸；损害；使枯萎n. (Blast)人名；(德)布拉斯特 例句： 1. The space shuttle had been scheduled to blast off at 04:38.航天飞机已经预定于凌晨4点38分发射升空。 blast 爆炸词源同blow. blast (n.)Old English blæst "blowing, breeze, puff of wind," from Proto-Germanic *bles- (cognates: Old Norse blastr, Old High German blast "a blowing, blast," German blasen, Gothic blesan "to blow"), from PIE *bhle- "to blow," probably a variant of root *bhel- (2) "to blow, inflate, swell" (see bole). Meaning "explosion" is from 1630s; that of "noisy party, good time" is from 1953, American English slang. Sense of "strong current of air for iron-smelting" (1690s) led to blast furnace and transferred sense in full blast "the extreme" (1839). Blast was the usual word for "a smoke of tobacco" c. 1600.blast (v.)Old English blæstan "to blow, belch forth," from the root of blast (n.). Since 16c., often "to breathe on balefully." Meaning "to blow up by explosion" is from 1758. Related: Blasted; blasting. Blast off (n.) is attested from 1950." |