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've put an X next to the place where you should sign.
我已在你该签名的地方后面标示了X。
How much does the elephant weight?
这个大象有多重？
Ling Feng, could you do something for me, please?
凌峰，你能为我做件事吗？