Diolefin
n. [化]二烯
🗣️ 情景例句
I am working for a lawyer now.
我现在在为一位律师工作。
By what time should I check in?
我该什么时间办理登机手续呢？
Such an experience befell a certain young girl the first time she was traveling alone.
一个小姑娘第一次单独出门就碰到了这种情况。