Transpolyisoprene
反式聚甲基丁二烯
🗣️ 情景例句
but I think we should face the truth.
但我认为我们应面对现实。
I've got a terrible pain in my stomach.
我的胃很痛。
Tired of sleeping on the floor, a young man in Teheran saved up for years to buy a real bed.
德黑兰的一个人年轻人由于对睡地板感到厌倦，于是积蓄多年买了一张真正的床。