Deutohydrogen
[医] 氘(音刀), 重氢
🗣️ 情景例句
In less than two hours,
在不到两个小时之后，
I'd like to allow anyone to ask whatever questions they may have.
我乐意接受任何人提出的任何问题。
Yesterday morning she came into class as usual.
昨天早上，她像往常那样走进教室。