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 never married because
他不结婚是因为
Poverty parteth fellowship.
贫穷断友情。
Clusters of tin insects called aphids were to be found on the underside of the leaves.
结果在树叶背面找到成串的叫作蚜虫小虫子。