N,4-sulfanilylsulfanilamide
[化] 磺胺酰磺胺; 双磺胺
🗣️ 情景例句
There's another advanced class today at four o'clock.
今天下午四点钟还有一次高级班。
I tried to call you, but the line was busy.
我试着给你打电话，但老占线。
Would you like to do that now?
你要现在就讨论吗？