D2o
[医] 氧化氘, 重水
🗣️ 情景例句
And what about Michelle?
那Michelle怎么办？
What will you have for breakfast tomorrow morning?
你明天早上早餐将有什么？
My nephew, George, has a money box but it is always empty.
我的外甥乔治有一个储蓄罐，但总是空空的。