H2
[医] 氘(音刀), 重氢
🗣️ 情景例句
Well, you really saved the day for me, Alexandra.
你真的帮了我一个大忙， Alexandra。
If you have any questions on the details， feel free to ask.
如果对某些细节有意见的话，请提出来。
At the head of the queue was an old woman.
排头的是位老太太。