Diarsonium
二甲胂基
🗣️ 情景例句
It's no big deal.
这没有什么。
She never showed up.
她一直没有出现。
This may be illustrated by comparing the position of a nation with that of a private business enterprise.
把国家的状况同私人企业的状况加以比较，就可以看清这个问题。