Proflavin
二氨基吖啶, 原黄素
🗣️ 情景例句
2, 3 , 1, 2, 3, pony, pony... 2 3 1 2 3
小马步 小马步 ……
I will take an escalator.
我将去搭手扶电梯。
and the doctor in charge of the department is only too ready to provide them with these requirements.
负责门诊的医生也非常乐意为前来看病的人提供他们想要得到的药物，