Sooting
v. 煤烟, 烟灰( soot的现在分词 )
🗣️ 情景例句
He makes a good living growing tomatoes.
他靠种蕃茄日子过得挺不错的。
He is playing on the see-saw in the yard.
他正在院子里玩跷跷板。
What are you doing?
你在干什么呢？