电脑 风扇:computer fan
黑板：blackboard
电灯：lamp
例句
No longer would millions of e-bookworms have to turn on a nearby lamp, use a special case, or attach an awkward portable light to read in the dark.
成千上万的电子书用户可以和台灯、照明保护套以及卡夹式阅读灯说再见了。
She chalked out a design on the blackboard.
她用粉笔在黑板上画出一个图样。
You can play your electronic play, but I don't like you to be a harmful computer fan.
你可以继续玩你的电子游戏，但我不想你变成一只害虫。
B: I just want to get to a safe place and I never attempt to be a harmful computer fan.
（我只想找一个安全的地方，决没想过要做一只害虫。