粉尘的英文：
mill dust
bug dust

参考例句：
  • A black dust settled on the walls.
    墙上落了一层黑色的粉尘。
  • It is dispersed either by thermal volatilization or as a dust.
    它用加热蒸发或粉尘的方式散发。
  • In some cases, the metal values give a return for dust recovery.
    在某些情况下，回收金属的价值可抵偿粉尘回收费用。
  • Dust and fume escaping from the tank are washed with a small amount of aqueous ammonium carbonate.
    从反应糟中逸出的粉尘和烟雾用少量碳酸氨水溶液洗涤。
  • To reduce the heavy load on dust collectors, upflow beds were soon replaced by downflow fluidized beds
    为了减轻粉尘收集器的负荷，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."
    雾化器:将物体,尤指香料或药物磨成粉尘状的器具。
mill是什么意思：
n. 磨坊；磨粉机；压榨机；工厂
v. 碾磨，磨细；搅拌；（使）乱转；轧花边
  • A dime is milled.
    一毛硬币边缘轧有齿沟。
  • a mill for grinding grain into flour.
    把谷物磨成粉的机器。
  • The mills of God grind slowly.
    上帝之磨转得慢。
dust是什么意思：
n. 尘土；粉尘
v. 擦灰；掸去；撒
  • dusted the cookies with sugar;dust crops with fertilizer.
    将饼撒上糖粉；把化肥撒在作物上
  • Dust sugar on to a cake.
    将糖撒在糕点上。
  • The carriage left a trail of dust.
    马车后扬起了一缕烟尘。
bug是什么意思：
n. 虫子；故障，瑕疵，缺陷；细菌，病菌；窃听器
v. 装窃听器；烦扰，打扰
  • The room has been bugged.
    这房间装有窃听器。
  • The bird caught a bug on the fly.
    那鸟在飞行中捉住了一只昆虫。
  • insect | worm | bug
    虫| 虫子

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