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
You can't expect to learn a foreign language in a week.
别指望一个星期就能学会一门外语。
I can't begin to tell you how much I appreciate this honor.
我实在是无法表达我对给予我此荣誉的感激之情。
The big clock which used to strike the hours day and night was damaged many years ago and has been silent ever since.
教堂的钟很大，以前不分昼夜打点报时，但很多年前遭到毁坏，从此便无声无息了。