• n. 灰尘；尘埃；尘土
• vt. 撒；拂去灰尘
• vi. 拂去灰尘；化为粉末
• n. (Dust)人名；(德、俄)杜斯特

来自PIE*dheu, 烟雾，烟尘，昏暗，词源同dusk, dun.

dust

dust: [OE] The notion ultimately underlying dust seems to be that of ‘smoke’ or ‘vapour’. It goes back to a prehistoric Indo-European base *dheu-, which also produced Latin fūmus and Sanskrit dhūma- ‘smoke’. A Germanic descendant of this, *dunstu-, picks up the idea of a cloud of fine particles being blown about like smoke, and is the basis of Norwegian dust ‘dust’ and duft ‘finely ground grain’, German duft ‘fragrance’ (from an earlier Middle High German tuft ‘vapour, dew’), and English dust.

dust (n.)

Old English dust, from Proto-Germanic *dunstaz (cognates: Old High German tunst "storm, breath," German Dunst "mist, vapor," Danish dyst "milldust," Dutch duist), from PIE *dheu- (1) "dust, smoke, vapor" (cognates: Sanskrit dhu- "shake," Latin fumus "smoke"). Meaning "that to which living matter decays" was in Old English, hence, figuratively, "mortal life."

dust (v.)

c. 1200, "to rise as dust;" later "to sprinkle with dust" (1590s) and "to rid of dust" (1560s); from dust (n.). Related: Dusted; dusting. Sense of "to kill" is U.S. slang first recorded 1938 (compare bite the dust under bite (v.)).

1. Lights reflected off dust-covered walls creating a ghostly luminescence.

灯光照在满是灰尘的墙上，反射回苍白的冷光。

来自柯林斯例句

2. The powdery dust rose in a cloud around him.

一团粉尘在他周围扬起。

来自柯林斯例句

3. In the last 30 years many cherished values have bitten the dust.

在过去的30年中，许多珍贵的价值观已经消失殆尽。

来自柯林斯例句

4. Wind caught the sudden puff of dust and blew it inland.

风猛地刮起一阵灰尘，将它吹往内陆。

来自柯林斯例句

5. Many of the machines are gathering dust in basements.

许多机器尘封在地下室里。

来自柯林斯例句