Sootfall
n. (工业区的)煤烟降落(量)
🗣️ 情景例句
Yes. I'll hold. He's checking. You do?
好， 我会等。他正在查。真的有了？
Do you still remember that Christmas?
你仍记得那个圣诞节吗？
We are thinking of expanding into the Chinese market.
我们想把生意扩大到中国市场。