Polyanhydrides
[化] 聚酐类
🗣️ 情景例句
Mr. Stewart, I just spoke to Mr. Carlson. Stewart
先生， 我刚刚与Carlson先生通了话。
She won a scholarship to the state university.
她获得就读洲立大学的奖学金。
I'm supposed to go on a diet.
我应该节食。