Sootfall
n. (工业区的)煤烟降落(量)
🗣️ 情景例句
Advice doesn't normally come cheap, but this piece is for free...
通常来说，忠告都是价值不菲的，但这个是免费赠送的。。。
It really hurts.
可真疼。
I had no intention of buying one,
我原来并不打算买一个，