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
Well, at one o'clock
嗯， 一点钟
Nothing comes out of the sack but what was in it.
无风不起浪。
from which can be seen the strata the drill has been cutting through.
从中能看出钻头所钻透的地层。