Polyisoprene
n. [化]聚异戊二烯
🗣️ 情景例句
How long will it take to get some more in from the factory?
从工厂再运一些货过来要多久？
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。
All that glitters is not gold.
闪光的不全是金子。