screen fractionating

例句：

1. 1. Themovie was so exciting that I couldn't wait to see the screen.
   这部电影太精彩了，我迫不及待要看大荧幕。
2. 2. She used a screen to protect herlaptop from dust.
   她用一个屏幕保护套来保护她的笔记本电脑免受灰尘侵害。
3. 3.The director asked the actors to stand ona screen and perform their lines.
   导演要求演员站在幕布前表演台词。