Olefines
(olefine 的复数) [化] 烯烃; 链烯烃
🗣️ 情景例句
but he usually managed to squeeze a Sunday in
但是他总会设法挤出星期天，
I worked at the coffee shop last night.
我昨晚在咖啡厅工作。
You get what you pay for.
一分钱一分货。