VOA慢速英语:Taking a Closer Look at the Future of Video Conferencing

例句：a lifelike image
      逼真的肖像

      The mask was so lifelike it was quite frightening.
      该面具非常逼真以至看起来有点恐怖。

2.normally adv.通常; 正常地

例句：Let's face it, people who have a capacity for work normally succeed.
      不管怎么说, 有工作能力的人一般总会成功的。

3.reproduce vt.复制

例句：The picture will reproduce well.
      这照片会印得很清楚。

      The picture reproduced too dark.
      图画显得很暗淡。

4.hologram n.全息图, 全息照片, 综合衍射图, 原样录象

例句：plane hologram
      平面全息图

5.refresh vt.使恢复; 使振作

例句：I think I'll just refresh myself with a cup of tea before I go to meet the children.
      我想在见孩子们之前先喝杯茶来恢复一下精神。

使…记起

例句：I looked at the map to refresh my memory of the road.
      我看看地图以唤起对这条路的回忆。

6.definition n.清晰(度), 鲜明(度)

例句：They concentrated on better definition of the optical image.
      他们致力于提高该光学影像的清晰度。