Calotropagenin
[化] 牛角瓜配基
🗣️ 情景例句
What's that?
什么问题？
Especially to Katherine Miller, for being there when I needed her.
特别是感谢凯瑟琳.米勒，每当我需要她时，她总在我身边。
Let us suppose that a child suddenly crosses the road in front of you.
让我们假设一个小孩子突然在你前面穿过马路。