Polymers
n. 聚合物；高分子（polymer的复数）
🗣️ 情景例句
from the first time you stayed with us.
自从你们第一次在我们这里住开始
What are you talking about?
你在说些什么？
Are you free later today, Mr. Green?
您今天晚些时候有空吗，格林先生？