Polyisoprene
n. [化]聚异戊二烯
🗣️ 情景例句
OK, what do you need most of all?
好， 你们最需要的是什么？
The first step is as good as half over.
第一步的成功等于事情的一半已完成。
I don't think so. We just have to trust our manager.
我想帮不上吧。我们只能相信经理了。