Copolymer
[ [kəu'pɔlimə] ]
高中 Senior High
n. 共聚物\\n[化] 共聚物; 二元共聚物
✅ 同义词
🗣️ 情景例句
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
You haven't changed a bit!
你一点都没变！
Who's calling?
是哪一位？