Dihydrofluoride
[化] 二氢氟化物
🗣️ 情景例句
Don't you have any hobbies, like stamp collecting or things like that?
你有什么爱好吗？像集邮之类的爱好？
The man is a space scientist.
这个人是太空科学家。
Dear May,
亲爱的梅，