Cations
n. 阳离子；正离子（cation的复数）
🗣️ 情景例句
Now we can really start the party!
现在我们可以真正开始舞会了！
You cannot judge a tree by its bark.
人不可貌相。
We had some shoes like those a month ago,but we don't have any now.
一个月前我们有这要的鞋。但是现在没有了。