Prepolymer
[化] 预聚物
🗣️ 情景例句
Youth boredom is the main culprit behind youth crime.
年轻人的无聊是青少年犯罪最大原因。
Sure.
当然。
In this way he was able to find out where they lived, how many chidren they had, and where they died and were buried.
就这样，他了解到祖先的住处，有多少孩子，死在何处，葬在哪里。