Homoarecolin
[化] 高槟榔碱
🗣️ 情景例句
I could work out in your class with no problem.
如果我去你的班上做运动， 一定不会觉得有问题。
What were you doing when I called you on the telephone?
当我打电话给了你时，你正在做什么？
The wheels scooped up stones which hammered ominously under the car.
车轮搅起的石块锤击车身，发出不祥的锤击声。