Olefinicpolymerization
[化] 烯烃聚合
🗣️ 情景例句
our talks about custom-designed dresses for the boutique?
我们曾经谈过为时装店设计订做的服装吗?
I hope you believe me.
我希望你相信我。
I'm very glad to hear that.
很高兴听你这样说。