Ock
[计]= Operation Control Key,操作控制键
🗣️ 情景例句
I'm a graduate of Harvard University.
我是哈佛大学的毕业生。
It's wrong to break the law.
犯法是不对的。
Don't you think it necessary to have a close study of the contract to avoid anything missing?
你不觉得应该仔细检查一下合同，以免遗漏什么吗？