Telocopolymerization
共调聚反应
🗣️ 情景例句
What did you say? I didn't quite get that.
你说什么？我没听清楚。
Don't they believe it's necessary?
他们难道不认为它是必要的吗？
What on earth has happened to trouble you so?
到底发生什么事让您如此发愁？