Dioxyanthranol
[医] 二羟基蒽酚, 蒽三酚
🗣️ 情景例句
I think I'm quite proficient in both written and spoken English.
我认为我在英语读写方面相当熟练。
How long have you stayed there?
你在那儿住多久了？
Bye.
再见。