1. 除一個光點外屏幕上一片黑暗。
   The screen was all dark save for one bright spot.
2. 鼠標一種手用的、用按扭控制的輸入設(shè)備，當在平臺上滑動時可以相應(yīng)地移動計算機屏幕上的指示箭頭，使得操作者可以隨意控制指示箭頭，由此來選擇項目、控制內(nèi)容或作圖
   A hand-held, button-activated input device that when rolled along a flat surface directs an indicator to move correspondingly about a computer screen, allowing the operator to move the indicator freely, as to select operations or manipulate text or graphics.
3. 你們都坐得離屏幕夠近嗎？
   Are you all sitting near enough to see the screen?

幕的英語翻譯：