Polyisoprenes
(polyisoprene 的复数) n.[化]聚异戊二烯
🗣️ 情景例句
Here are the X-rays you wanted, Dr. Stewart.
这是你要的X光片，Stewart医师。
Better the foot slip than the tongue trip.
宁可滑跤，不可失言。
OK. And we'd better ask Mom whether it's cheap enough!
好的。我们最好是问问妈妈价钱是否便宜！