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
It always takes time to get used to a new place.
适应一个新地方总是需要一段时间。
The police will never buy that story.
警方绝对不会相信这个说法。
It was necessary to recognize that these institutions which are based on the same premises,
必须认识到，这些建立在相同前提基础上的风俗，