Proflavin
二氨基吖啶, 原黄素
🗣️ 情景例句
I think it will let up in a little while.
我想马上就会停的。
Which one do you want to buy?
你买哪一个？
A writer makes order out of the anarchy of his heart;
一旦作家从内心的紊乱中理出头绪，