Fluorexone
荧光素配位剂(由不纯品calcein制得的纯品)
🗣️ 情景例句
when is your plane reservation for your flight to Athens?
飞Athens订的是什么时候的班机？
He who says what he likes shall hear what he does not like.
欢喜说他欢喜的话者将要听到他不欢喜的话。
You're welcome.
不用谢。