Fluorexone
荧光素配位剂(由不纯品calcein制得的纯品)
🗣️ 情景例句
I am also glad to be here.
我很高兴来这里 。
Thank you for your nice present.
谢谢你那么好的礼物。
If I were you, I wouldn't have bought that vase.
如果我是你，我就不买那花瓶。