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
There are a few openings in publishing for new graduates.
出版业中几乎没有给新毕业生的空缺。
I will if I can.
如果我能，我愿意的。
it is extremely difficult to estimate the true value of the services which people perform for us.
但要估算别人为我们为所提供的服务的价值却是极其困难的。