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
He's working with me during the summer months as an intern.
在夏天的这几个月到我这里来当实习生。
You must have dialed the wrong number.
你肯定拨错了号。
No, it's open. It closes at six.
不，还没关。六点才关门。