1. visibility /ˌvɪzəˈbɪləti/

-- degree of clearness of the atmosphere, with reference to the distance at which objects can be clearly seen

With the fog rolling in and visibility approaching zero, it was virtually impossible for planes to land.

在浓雾滚滚而来而且能见度几近于零的情况下，飞机实在不可能降落。

 

 

2. envision /ɪn'vɪʒn/

-- foresee; envisage; have a mental picture of (something not yet a reality)

Coach Brown envisions Mary as a prima ballerina.

布朗教练想象着玛丽将来成为芭蕾舞剧女主角。

 

 

3. improvise /'ɪmprəvaɪz/

-- (literally, "do something without having prepared or seen it beforehand") compose, recite or sing on the spur of the moment

Did the entertainer prepare his jokes before the program or improvise them as he went along?

表演娱乐节目的人是在节目前准备他的笑话呢，还是当他进行表演时才即兴发挥？

 

 

4. revise /riˈvaiz/

-- look at again to correct errors and make improvements; examine and improve

Before handing in your composition, be sure to revise it carefully.

交作文以前，你一定要再仔细地检查并修改一遍。

 

 

5. invisible /inˈvizəbl/

-- not able to be seen

The microscope enables us to see organisms invisible to the naked eye.

显微镜使我们能看到肉眼看不见的有机组织。

 

 

6. video /ˈvidiəu/

-- having to do with the transmission or reception of what is seen

The audio(sound) and video signals of a television program can be recorded on magnetic tape.

电视节目的声音与影像可以被录在磁带上。

 

 

7. visual /ˈviʒuəl/

-- having to do with sight

Radar tells us of an approaching object long before visual contact is possible.

雷达能在眼睛能看到前就告诉我们有个物体正在靠近。