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Group20 Vid, Vis-see
“看”
visibility
n. 能见度
With the fog rolling in and visibility approaching zero, it was virtually impossible for planes to land.
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。
envision
vt. 想象(未来)
Coach Brown envisions Mary as a prima ballerina.
考区·布朗想像玛丽将来成为首席芭蕾舞星。
improvise
vt. 即席而吟、作、演奏等
Did the entertainer prepare his jokes before the program, or improvise them as he went along?
表演娱乐的人是在节目前准备他的笑话呢，还是当他进行时才即席而作？
revise
vt. 再检查；修订
Before handing in your composition, be sure to revise it carefully.
在你交作文以前，一定要再仔细检查一遍。
invisible
adj. 看不见的
The microscope enables us to see organisms invisible to the naked eye.
显微镜使我们能看到用肉眼看不见的有机组织，
video
adj. 映像的；电视的
The audio and video signals of a television program can be recorded on magnetic tape.
电视节目的声音与影像可被录在录相带上，
visual
adj. 可见的
Radar tells us of an approaching object long before visual contact is possible.
雷达早在视觉接触前就告诉我们有个正在接近的物体。
