Dideuteride
二氘化物
🗣️ 情景例句
I have a new math program, and I want to learn how to use it.
我有一个新的数学程式 我想学习怎样用。
Fine feathers make fine birds.
人要衣装，佛要金装。
But my sister bought this pair last month.
但是，我姐姐上个月买到了这样的一双。