| 词汇 | dust |
| 词根词缀 | 词源： dust (n.) O.E. dust, from P.Gmc. *dunstaz, from PIE *dheu- with a sense of "smoke, vapor" (cf. Skt. dhu- "shake," L. fumus "smoke"). The verb means both "to sprinkle with dust" (1590s) and "to rid of dust" (1560s). Sense of "to kill" is U.S. slang first recorded 1938 (cf. bite the dust under bite). 词根记忆： n. 灰尘,尘土v.拂,掸The dust in the industrial zone frustrated the industrious man.工业区里的灰尘使勤勉的人灰心. |
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