Impureness
n. 污染, 不纯
🗣️ 情景例句
Did you look at them?
你看过了吗？
Should I go this way,or that way?
我应该这样去,还是那样？
and at the most critical juncture we took turns in watching that point.
在最紧急的时刻，我们轮流监视那段河流的险情。