黑板：blackboard
電燈：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.
成千上萬的電子書用戶可以和臺燈、照明保護套以及卡夾式閱讀燈說再見了。
She chalked out a design on the blackboard.
她用粉筆在黑板上畫出壹個圖樣。
You can play your electronic play, but I don't like you to be a harmful computer fan.
妳可以繼續玩妳的電子遊戲，但我不想妳變成壹只害蟲。
B: I just want to get to a safe place and I never attempt to be a harmful computer fan.
（我只想找壹個安全的地方，決沒想過要做壹只害蟲。