Butene
n. [化]丁烯
🗣️ 情景例句
I give thanks for being here with my family and for being well,
我感谢能在这里和家人在一起而且很健康，
Once an opportunity slips away, it is gone for good.
机会一旦错过，永远不会再来。
I wish I had your will power.
但愿我有你的意志力。