他右眼视力有损伤。He has a visual impairment in the right eye.英国有170万失明和视力受损人口。There are 1.7 million blind and visually impaired people in Britain.他的视力还算可以，还能看书。He can see tolerably well and he can read....
She began neatening the books in the low bookshelf.她开始整理放在矮书架上的书.Our bookshelf is fastened to the wall.我们的书架固定在墙上.The bookshelf is fastened to the wall.这个书架被固定在墙壁上....