Sooting
v. 煤烟, 烟灰( soot的现在分词 )
🗣️ 情景例句
I must meet the deadline.
我必须赶上最后期限。
I thought about going to my sister's. How about you?
我想去姐姐家玩，你呢？
We had to climb over some rocks and it started to rain.
我们不得不爬过一些岩石，这时开始下起雨。