Diolefin
n. [化]二烯
🗣️ 情景例句
You should take the number 1 train to Van Cortlandt Park.
搭一路车到Van Cortlandt公园下车。
Wahtever a man sow, that shall he also reap.
种瓜得瓜，种豆得豆。
I'll phone Dr. Carter.
我去给卡特医生打电话。