Olefin
n. 石蜡, 烯烃\\n[化] 烯烃
🗣️ 情景例句
I'm as healthy as a horse.
我像马驹一样健康。
The effect speaks, the tongue needs not.
事实胜于雄辩。
During all these tests Vera was blindfold;
在所有这些实验中，维拉的双眼都是蒙着的。