Cios
abbr. Combined Intelligence Objectives Sub-Committee 英美联合情报资料调查小组委员会; cut-in operating system 接入[通]操作系统; World Council of Management 世界管理理事会（代号）
🗣️ 情景例句
The teacher flunked him in geography.
老师给他的地理打不及格。
Math major
专攻数学
Sun Huilin is Chinese, Peter is Australian, Lynn is from Greece and I'm from Britain.
孙辉林是中国人，彼得是澳大利亚人，林恩是希腊人，我是英国人。