Macromonomer
[化] 大分子单体
🗣️ 情景例句
The costs of college get higher every year.
学费逐年增加，越来越贵。
Hope is life and life is hope.
希望才有人生，人生要有希望。
On the first lap, Class 3 were in front.
在跑第一圈时，3班在前边。