Polycyclic compound
[化] 多环化合物
🧩 词语组成解析
a. 多环的\\n[医] 多环的
🗣️ 情景例句
Fine, thank you.
很好， 谢谢。
The movie began as soon as we got there.
我们一到那儿电影就开始了。
But I advise you to check your bag every evening before going home.
但是，我劝你每晚回家前检查下自己的包。