Ring-closing reaction
[化] 闭环反应
🧩 词语组成解析
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;
n. 结束\\na. 结束的
🗣️ 情景例句
I'm in the red again, would you mind lending me some money?
我又 囊中羞涩了，借点钱给我吧。
No matter what comes up, don't look back.
不论发生什么事情，你也不要回头看。
She left home when she was eighteen and has lived in Los Angeles for the past fifteen years.
18岁时，她离开了家。过去的15年里她一直住在洛杉矶。