Copolymeric
a. copolymer的变形
✅ 同义词
🗣️ 情景例句
We usually accept payment by irrevocable L C payable against shiping documents.
我们一般用不可撤销信用证，凭装运单据结汇付款方式。
Better say nothing than nothing to the purpose.
与其说话不中肯，不如一言不发好。
That's a good idea.
那真是好主意。