Ammonioformaldehyde
[医] 甲醛氨, 环六亚甲基四铵, 乌洛托品
🗣️ 情景例句
Is this your very first advanced aerobics class?
这是你第一次上有氧运动高级班吗？
The mailman is delivering letters.
邮差在发信。
We want the same rights as the white people in the city.
我们要求享有与本市白人平等的权利。