Digicitrine
毛地黄黄酮
🗣️ 情景例句
Yes, I remember. You were a great help.
是的， 我记得。你帮了个大忙。
I have a lot of trouble with pronunciation.
我有发音的很多毛病。
What kind of quality control do you have?
你们用什么办法来控制质量呢？