Alstonamine
鸡骨常山胺
🗣️ 情景例句
What are your hobbies?
你有那些爱好？
I'm playing ping-pong downstairs.
我在楼下打乒乓球。
After breakfast, I sent the children to school and then I went to the shops.
早饭后，我送孩子们上学，然后就去了商店。