Fluorexone
荧光素配位剂(由不纯品calcein制得的纯品)
🗣️ 情景例句
All right. Please hold two orchestra seats for us.
好，请帮我们保留两张前排的座位。
Truth will prevail.
真理必胜。
I've no idea. What do you think?
我不知道。你想干啥？