Acetylenehalide
[机] 乙炔基卤
🗣️ 情景例句
Are you a citizen of the People's Republic of China?
你是中华人民共和国的公民吗？
No. Can't you see that rocket is almost falling down.
不。你不知道火箭快要倒下来了吗？
Who says?
谁说的？