Polyanhydride
[化] 聚酐
🗣️ 情景例句
Well, OK. See if they have a room.
那， 好吧， 看看他们是否还有房间。
John always takes pleasure in leaving the city for a while.
约翰常常以溜出城镇一会儿为乐。
What are you going to do with it?
你打算怎么办？