Polyisoprene
n. [化]聚异戊二烯
🗣️ 情景例句
Oh, I remember this picture.
噢 我还记得这张照片。
A good book is a best friend who never turns his back upon us.
一本好书，莫逆之交。
I think it's closed.
我想已经关门了吧。