Chapter 2 Computer一基础篇 (一) 核心单词 1important a. 重要的 importance n. 重要性2necessary a. 必要的 need v. aux. 必须3happy a. 快乐的,幸福的 happily adv. 幸福地4planplanned,v. 计划 plan n. 计划5hide (hid, hidden) V. 隐藏6break (broke, broken) V. 打破,违犯 freeze (froze, frozen) V. 使结冰,使冷冻7calculator n. 计算器8operate v. 动手术How do you operate this new machine ? operation n.手术9electric a. 电的 electric light 电灯 electricity n. 电 electronic