Dicyclic ring
[化] 双环核
🧩 词语组成解析
a. [化]二环的,双环的
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
I'm sorry I'll have to pass.
很遗憾我得错过这回了。
When it started raining, I was reading books.
当开始下雨的时候，我再看书。
I've recently noticed that one of my work-mates is stealing.
我最近注意到，我的一个工友在行窃。