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
And I lick the envelopes.
那我就粘信封 。
Penny and penny laid up will be many.
积少成多。
Competition between ourselves, person against person, community against community,
然而人类之间的竞争，人与人，团体与团体，