Polycations
(polycation 的复数) 聚阳离子
🗣️ 情景例句
So did I.
我也一样。
I wonder what makes you do that.
我不知道是什么使你做那件事。
If a citizen's complaint is justified, the Ombudsman will act on his behalf.
如果公民的意见正确，司法特派员便为他伸张正义。