Polymers
n. 聚合物；高分子（polymer的复数）
🗣️ 情景例句
They'll be at your door within a few minutes.
他们会尽快送到你的门口。
Have you ever thought about a career in the medical profession?
你曾经在医药专业考虑职业吗？
It doesn't matter.
没关系。