D2o
[医] 氧化氘, 重水
🗣️ 情景例句
You are coming along well.
你进展得很好。
Whatever he does, don't say a word.
不管他做什么，你都不要讲话。
He has eight lawyer assistants to help him and examines every single letter in detail.
他有8位律师作他的助手协助工作，每封信都详细批阅。