粉塵的英文：
mill dust
bug dust

參考例句：
  • A black dust settled on the walls.
    墻上落了一層黑色的粉塵。
  • It is dispersed either by thermal volatilization or as a dust.
    它用加熱蒸發(fā)或粉塵的方式散發(fā)。
  • In some cases, the metal values give a return for dust recovery.
    在某些情況下，回收金屬的價(jià)值可抵償粉塵回收費(fèi)用。
  • Dust and fume escaping from the tank are washed with a small amount of aqueous ammonium carbonate.
    從反應(yīng)糟中逸出的粉塵和煙霧用少量碳酸氨水溶液洗滌。
  • To reduce the heavy load on dust collectors, upflow beds were soon replaced by downflow fluidized beds
    為了減輕粉塵收集器的負(fù)荷，上流式流化床不久被下流式流化床所取代。
  • "atomizer: a device for converting a substance, especially a perfume or medicine, to a fine spray."
    霧化器:將物體,尤指香料或藥物磨成粉塵狀的器具。
mill是什么意思：
n. 磨坊；磨粉機(jī)；壓榨機(jī)；工廠
v. 碾磨，磨細(xì)；攪拌；（使）亂轉(zhuǎn)；軋花邊
  • A dime is milled.
    一毛硬幣邊緣軋有齒溝。
  • a mill for grinding grain into flour.
    把谷物磨成粉的機(jī)器。
  • The mills of God grind slowly.
    上帝之磨轉(zhuǎn)得慢。
dust是什么意思：
n. 塵土；粉塵
v. 擦灰；撣去；撒
  • dusted the cookies with sugar;dust crops with fertilizer.
    將餅撒上糖粉；把化肥撒在作物上
  • Dust sugar on to a cake.
    將糖撒在糕點(diǎn)上。
  • The carriage left a trail of dust.
    馬車后揚(yáng)起了一縷煙塵。
bug是什么意思：
n. 蟲(chóng)子；故障，瑕疵，缺陷；細(xì)菌，病菌；竊聽(tīng)器
v. 裝竊聽(tīng)器；煩擾，打擾
  • The room has been bugged.
    這房間裝有竊聽(tīng)器。
  • The bird caught a bug on the fly.
    那鳥(niǎo)在飛行中捉住了一只昆蟲(chóng)。
  • insect | worm | bug
    蟲(chóng)| 蟲(chóng)子

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