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. 煤菸灰 ...a wall blackened by soot. …一堵被煤菸灰燻黑了的牆。 返回 soot劍橋詞典a black powder composed mainly of carbon , produced when coal , wood , etc. is burned 煤菸；煤灰 It can be dangerous to let too much soot accumulate inside a chimney . 菸囪裡堆積過(guò)多的煤灰是很危險(xiǎn)的。 返回 soot