Polyanhydride
[化] 聚酐
🗣️ 情景例句
The office network is running again, we can finally get some work done.
办公室的网络又联上了，我们终于可以做些事情了。
Happy New Year!
新年快乐！
Hello! Could I speak to the headmaster, please?
您好！我能和校长通话吗？