operating system
noun [ C ] uk/ˈɒp.ər.eɪ.tɪŋ ˌsɪs.təm/ us/ˈɑː.pə.reɪ.t̬ɪŋ ˌsɪs.təm/
（计算机的）操作系统
a set of programs that control the way a computer system works, especially how its memory is used and how different programs work together
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。