Endocyclic compound
[化] 桥环化合物
🧩 词语组成解析
[医] 内环的, 桥环的
🗣️ 情景例句
You get one point for each letter,
一个字母可得一分。
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
At the head of the queue was an old woman.
排头的是位老太太。