Deutohydrogen
[医] 氘(音刀), 重氢
🗣️ 情景例句
We think it might be just right for ten- to twelve-year-olds.
我们想它或许对十岁到十二岁大的孩子正合适。
You've got to do something.
你一定要想办法。
'I must be at work at 10 o'clock.
“我必须在10点钟上班，我的雇主会证明我是按时到了那儿的。