Polyanhydrides
[化] 聚酐类
🗣️ 情景例句
Hi, it's nice to meet you.
你好，很高兴见到你。
A ready way to lose friend is to lend him money.
失友都因借钱起。
One night, however, our vicar work up with a start: the clock was striking the hours!
一天夜里，我们的牧师突然被惊醒了，大钟又在“打点”报时了！