social line of vision社会视线
readers line of vision读者视线
line-of-vision scale视线尺
N-SING（单数型名词） Your line of vision is the same as your . 同line of sight [usu with poss]
Any crack in a car windshield always seems to be right in the driver's line of vision.
汽车挡风玻璃上的任何一条裂缝看起来总是正对司机的视线。