Copolymers
n. [高分子] 共聚物（copolymer的复数）
🗣️ 情景例句
It's a pleasure to meet you.
认识你是我的荣幸。
And also hope you will be able to make unique contribution to the economy of both countries.
同时期望你们为中美两国经济做出卓越的贡献。
All the thing I had packed so carefully were soon in a dreadful mess.
所有细心包装好的东西一会儿工夫就乱成一团。