Ring formation
[化] 成环作用; 闭环作用
🧩 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;
formation
[fɔ:'meiʃən]
n. 形成;构成，结构;形成物;编队，队形;
🗣️ 情景例句
How old are you, anyway?
那……你多大了？
The fox knew too much, that's how he lost his tail.
机关算尽太聪明，反误了卿卿性命。
Somebody's knocking at the door. I'll answer it.
有人在敲门，我去开。