O-ring closure
[化] 空心金属O型环密封
🧩 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
Are you excited about graduating from high school?
你从高中毕业会不会感到很兴奋呢？
Don't answer back.
不要顶嘴。
I never heard of anyone making a'skeleton', as we were taught at school.
我从未听说过任何一位作家像我们在学校学的那样，动笔前先列什么提纲。