Ammonioformaldehyde
[医] 甲醛氨, 环六亚甲基四铵, 乌洛托品
🗣️ 情景例句
I guess I didn't have one, fortunately.
但我想我并没有，因为我的幸运的。
I got a clear picture on the TV set.
我的电视机有很清晰的画面。
How old are you in the picture?
相片里的你多大了？