Proflavin
二氨基吖啶, 原黄素
🗣️ 情景例句
Pleased to meet you.
很高兴遇见你 。
If I buy that car, I'll have to use all my savings.
如果我要买那辆车的话，我必须用尽我的积蓄。
That will be fine with us.
没问题。。