Polyanhydride
[化] 聚酐
🗣️ 情景例句
You're late.
已经迟了。
Will anyone be able to fill her shoes now that she's left the company?
既然她已经离开了公司，有人能接替她的位置吗？
How many spiders are engaged in this work no our behalf?
有多少蜘蛛在为我们效力呢？