Dioxadiazole
二恶二唑
🗣️ 情景例句
where would you choose to spend our anniversary?
会选哪里去度我们的结婚周年纪念日
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
I guess men's hands and fingers are too big!
我猜想是男人的手和手指太大了！