D2o
[医] 氧化氘, 重水
🗣️ 情景例句
In two hours and fifteen minutes
再过两小时十五分钟
Speak well of your friend, of your enemy say nothing.
要赞美朋友，莫提及敌人。
Good! That's done. Now the tree must be tied to the stick.
好的！做好了。现在该把树系在木棍上了。