揚塵的英文：
dust emission

參考例句：
  • The motor car disappeared in eddy of dust.
    汽車在一片揚塵的渦流中不見了。
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.
    將糖撒在糕點上。
  • The carriage left a trail of dust.
    馬車后揚起了一縷煙塵。
  • He dusted his trousers.
    他撣掉褲子上的塵土。
  • She dusts every day.
    她每天撣灰塵。
emission是什么意思：
n. 散發(fā)，發(fā)射，發(fā)出；放射物
  • No records of emissions and discharge compliance.
    沒有關(guān)于排放的符合法規(guī)的記錄。
  • microwave amplification by stimulated emission ofradiation
    微波受激發(fā)射放大
  • The missionary transmitted emission emitted lately.
    傳教士傳播了新近散發(fā)出來的散發(fā)物。
  • The company has pledged to control particulate emissions.
    該公司已經(jīng)承諾控制粒子排放物。
  • The emission of light from a phosphor after removal of excitation.
    余輝激振停止后的磷光物質(zhì)所發(fā)出的光

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