n.(气体渗炭时的)炭黑生成
动词soot的现在分词形式.
The chimney is almost choked up with soot. 烟囱几乎被烟垢堵住了。
She is sweeping the soot off the chimney. 她正把烟筒里的黑灰扫掉。
You'vegot a smudge of soot on your cheek. 你脸上有块煤灰污迹。
One small fire in the kitchen will cover the whole house in soot. 一个厨房里的小火炉就会把整个房子都熏黑。
We burn a lot of trash. More smoke and soot. 我们烧掉许多垃圾，烟灰就增多了。
The chimney is almost choked with soot. 烟囱几乎被烟垢堵塞了。
