Polycation
聚阳离子
🗣️ 情景例句
I know I should,
我知道应该这样，
Yes,and it goes beautifully with your pants.
好看，配上你的这条裤子美极了。
He was absent on Monday,Tuesday,Wednesday and Tuesday.How are you all keeping?
星期二、星期三和星期四没去上学。你们身体都好吗？