煤灰的用法和样例:
例句
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现代城市是由大得怕人的大厦和充斥着难闻的汽油味,煤灰和有毒气体和又阴暗又狭窄的街道所组成。
The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes, coal dust, and toxic gases. -
污垢,灰垢黑色脏物或煤灰,尤指附着或深嵌在一个表面上的污垢
Black dirt or soot, especially such dirt clinging to or ingrained in a surface. -
你脸上有块煤灰污迹。
You'vegot a smudge of soot on your cheek.