N,4-sulfanilylsulfanilamide
[化] 磺胺酰磺胺; 双磺胺
🗣️ 情景例句
I cried because I miss them all.
我哭因为我想念他们。
The capital of my country id Beijing.
我国首都是北京。
Was that the 21st?
21号吗？