Diolefine
[化] 二烯; 二烯属
🗣️ 情景例句
It's a big decision for me, Bill.
对我来说这是个大决定， Bill。
See? I told you!
我就跟你说吧！
You don't have many apples, Jim, says Li Lei.
“你的苹果不多，吉姆，”李垒说