H2
[医] 氘(音刀), 重氢
🗣️ 情景例句
I think I've had enough of that sandwich.
我想我已经吃够了三明治。
A lazy youth,a lousy age.
少时懒惰老来苦。
He could also hear night insects and the sound of waves on the shore.
他还能听到夜晚里昆虫的叫声和波浪拍击岸边的声音。