Prepolymer
[化] 预聚物
🗣️ 情景例句
Don't count your chickens before they hatch.
小鸡孵出之后再算数。
What can I do?
我该怎么办哪？
I agree with you. We've got to do something about pollution. It's getting worse.
我同意你的看法。我们得对污染采取措施了。污染越来越严重了。