柯林斯詞典soot /s?t, ?su?t/ 1. N-UNCOUNT Soot is black powder which rises in the smoke from a fire and collects usually on the inside of chimneys. 煤煙灰 ...a wall blackened by soot. …一堵被煤煙灰熏黑了的墻。 返回 soot劍橋詞典a black powder composed mainly of carbon , produced when coal , wood , etc. is burned 煤煙；煤灰 It can be dangerous to let too much soot accumulate inside a chimney . 煙囪里堆積過多的煤灰是很危險(xiǎn)的。 返回 soot