Polybutadienes
(polybutadiene 的复数) [机] 聚丁二烯
🗣️ 情景例句
Sure, that would be fine.
当然可以，那没问题的。
Why did you go there?
你为什么去那儿？
The men got such a fright that they dropped the bag and ran away.
这两个人吓了一跳，扔下提包逃跑了。