D2o
[医] 氧化氘, 重水
🗣️ 情景例句
OK. What time is it?
好啊。什么时候？
Oh, it's a shame that you have to leave.
哦，真遗憾，你非走不可呀。
The workmen told him to do as he pleased and the policeman telephoned for help.
工人说，悉听尊便。警察去打电话叫人。