Olefines
(olefine 的复数) [化] 烯烃; 链烯烃
🗣️ 情景例句
I like to study in the library because it's so quiet.
我喜欢在图书馆学习因为那儿很安静。
Never (or Don't) trouble trouble till trouble troulbes you.
切莫自寻麻烦。
The Wayle is a small river that cuts across the park near my home.
威尔河是横穿过我家附近公园的一条小河。