Impureness
n. 污染, 不纯
🗣️ 情景例句
I'm planning to run for the school board.
我打算竞选联合校董会董事。
In fifty years there'll be twenty people per square yard, it is written here.
这里写着，再过五十年每平方码将要住着20人的人口密度。
Thanks, I'd like that.
谢谢，我非常乐意。