Peritrophic
围食膜的
🗣️ 情景例句
He did it as a special favor.
他做这事算是特别照顾。
I want you to work for yourself, and for the well-being fo the society.
我认为你们应为自己工作，为这个社会的幸福而工作。
You are just saying that.
你只是说说而已。