Polyisoprenes
(polyisoprene 的复数) n.[化]聚异戊二烯
🗣️ 情景例句
Thank you--
谢谢你。
To teach how to drive a car
教人驾驶汽车
What do you have to do round the house when you're at home?
你在家时得做些什么家务事？