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
They mentioned you as a good source of information.
他们说你消息灵通。
Wisdom is a good purchase though we pay dear for it.
我们为了求知识，付出高价也值得。
Don't worry about that. Right now you need to stay still until help comes.
别为这事担心。现在，在有人来之前，你必须要呆着不动。