Actionchitin
[机] 线菌壳多糖
🗣️ 情景例句
Would you like to join me for lunch?
跟我一起吃午餐吗？
We shall never have friends if we expect to find them without fault.
指望朋友无缺点，永远休想交朋友。
Our school is in the east of Beijing.
我们学校在北京的东部。