Polybutadienes
(polybutadiene 的复数) [机] 聚丁二烯
🗣️ 情景例句
There's a long way to go in reviving the countr's economy.
这个国家的经济复苏还有很长一段路要走。
Mother doesn't approve of her smoking.
母亲不赞成她吸烟。
It's just the matter of the schedule,that is,if it is convenient of you right now.
如果你们感到方便的话，我想现在讨论一下日程安排的问题。