Phthaleins
酞类(深色有机化合物及染料的类名)
🔁 扩展释义
【化】 酞
🗣️ 情景例句
And have you had an engineer come in to do an inspection?
你们可有一个工程师来做过检查吗？
Whose pen is this?
这是谁的笔？
OK. I'll do that.
好的，我会做的。