【建】 coal ash

1. 現(xiàn)代城市是由大得怕人的大廈和充斥著難聞的汽油味，煤灰和有毒氣體和又陰暗又狹窄的街道所組成。
   The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes, coal dust, and toxic gases.
2. 污垢，灰垢黑色臟物或煤灰，尤指附著或深嵌在一個(gè)表面上的污垢
   Black dirt or soot, especially such dirt clinging to or ingrained in a surface.
3. 你臉上有塊煤灰污跡。
   You'vegot a smudge of soot on your cheek.

煤的英語翻譯：

灰的英語翻譯：