viewing screen的用法和樣例：
例句
- The advertisement is full of the TV screen today.
今天，電視屏幕被廣告佔據。 - Do not look at the TV screen for a long time.
不要長時間地盯著電視屏幕看。 - The radarman's eyes were glued to the screen.
雷達兵目不轉睛地注視著熒光屏。 - A. is alerted by a buzzer and a blue light on the screen.
阿先生洗完淋浴后，即得到一陣蜂鳴器的響聲和熒光屏上一道藍光的提示。 - There are enemy aircraft on the radar screen.
雷達螢屏上出現了敵人的飛機。 - Displays output one screen at a time.
每次顯示一屏輸出結果。
