Polyanhydride
[化] 聚酐
🗣️ 情景例句
We'll call in a couple of days.
我们两三天后打电话。
May I try it on?
我能试穿一下吗？
in the form of a large group of enlightened young men and women who are potential leaders.
便是培养出大批有知识的男女青年，这些人可能会成为未来的栋梁。