/sʊt; sut/
n [U] black powder in the smoke of wood, coal, etc 炱; 烟中的黑灰
*sweep the soot out of the chimney 把烟囱里的黑灰扫掉
* One small fire in the kitchen covered the whole house in soot. 厨房里只有一个小火炉就把整个房子都熏黑了.

v (phr v) soot sth up (usu passive 通常用于被动语态) cover sth with soot 使某物蒙上黑烟灰
*The flue has become sooted up. 烟道里都是黑灰.

n[U]
[Language: Old English;Origin: sot]
black powder that is produced when something is burnt
>sootyadj