Polycyclic ring
[化] 多核环
🧩 词语组成解析
a. 多环的\\n[医] 多环的
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
He is fun to be with.
与他相处很有趣。
What you dislike in another, take care to correct in yourself.
别人身上你不喜欢的东西，自己身上的也要注意改正。
That is perhaps why sculpture has been described as the most difficult of all arts;
雕塑被说成是所有艺术中最难的艺术，可能就是这个道理。