Polymers
n. 聚合物；高分子（polymer的复数）
🗣️ 情景例句
I'm glad to make you acquaintance.
我很高兴认识你。
I don't know what I should have done without your help.
要不是您的帮助，我真不知道该怎么办。
Everything's very quiet.I'm sure there's no one at home.
毫无动静，肯定家里没有人。