Sootfall
n. (工业区的)煤烟降落(量)
🗣️ 情景例句
What are some places of interest to visit there?
那儿有什么有趣的地方可以参观的吗？
The unrighteous penny corrupts the righteous pound.
不正当得来的便士会使正当得来的英镑受到污浊。
I want to improve, but I don't know how.
我想提高它，但又不知道怎么样才能提高。