Polybutadienes
(polybutadiene 的复数) [机] 聚丁二烯
🗣️ 情景例句
Their life together has been wonderfully happy.
他们在一起的生活极为幸福。
She likes you a lot.
她对老兄你很倾心。
Why do you keep asking me the same question?
你怎么又问我同样的问题？