Bicyclic compound
[机] 双环化合物
🧩 词语组成解析
a. 两个轮子的, 二环的, 两圈的\\n[机] 二环的
🗣️ 情景例句
Thank you. I don't believe this.
谢谢。我简直不敢相信。
Don't throw out your dirty water before you get in fresh.
清水未打来，赃水莫倒掉。
But that costs more.
可是那样成本较高。