Actionchitin
[机] 线菌壳多糖
🗣️ 情景例句
If you need anything, just ask.
假如你需要什么尽管讲。
All things must come to an end.
天下无不散的筵席。
Would you mind if I smoked in the office next door?
我在隔壁吸烟可以吗？