Ring closure
[化] 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;
closure
['kləuʒə]
n. （永久的）停业，关闭;结束;[电]闭合;[数]闭包;
vt. 使结束，使终止;使停止辩论;
🗣️ 情景例句
I was expecting him here at five forty-five.
我们约好了五点四十五在这里会面的。
He isn't really serious; he's just playing games with her.
他并不是一本正经，只是跟她玩玩游戏而已。
and some of these propositions have been violently opposed.
对风俗的研究才是全面的，才会有收获。