Pericyclo-compound
[化] 架环化合物
🧩 词语组成解析
🗣️ 情景例句
What's going on?
你在忙些什么？
He has left already .
他已经离开了。
It looks like a chicken. But I don't think chickens can swim.
看起来像只小鸡。不过我认为小鸡不会游泳啊！