blind-凯发k8官网

12-02-09 the passengers on the bus watched sympathetically as the attractive young woman with the white cane made her way carefully up the steps. she paid the driver and, using her hands to feel the location of the seats, walked down the aisle（甬道） and fo...

11-06-19 after being hit in the eye by a stone, a detached retina（视网膜） left a man blind in his right eye. despite surgery to remove a cataract（白内障） when the man was 23, which temporarily restored light perception, the patient was completely blind i...

11-05-26 everybody has heard about echolocation（回声定位） in bats and dolphins. these creatures emit bursts of sounds and listen to the echoes that bounce back to detect objects in their environment. what is less well known is that people can echolocate, t...

11-03-29 one day, there was a blind man sitting on the steps of a building with a sign by his feet, that reads: i am blind, please help. a creative publicist was walking by the blind man and stopped to observe that the man only had a few coins in his hat. he...

11-03-15 a blind man walks into a bar, taps the man next him, and says, hey, wanna hear a blond joke? the man says back to the blind man, look buddy, i'm blond. the man behind me is a 400-pound professional wrestler（摔跤选手） and he is blond. the bouncer（...

10-11-08 once there was a blind. one day when he was walking, he stepped the head of the dog who was sleeping. the dog barked for a while. the blind man went on for miles, this time he stepped the other dog's tail, so this dog barked. the blind man had thoug...

10-11-08 oh, my poor man, exclaimed the kind old lady， it must be dreadful to be lame. but it would be much worse if you were blind. you're absolutely right, said the beggar, obviously an old hand at the game. when i was blind, people kept giving me foreign...

10-06-14 researchers at the university of oklahoma health sciences center have found a way to use a radical new type of gene therapy to prevent blindness caused by retinitis pigmentosa（色素性视网膜炎） , giving hope to the estimated 100,000 americans who su...

10-01-06 a blind beggar there was a blind beggar wearing sunglasses and asking for money. a drunk man walked by, thinking the beggar was pitiful, threw him a hundred dollars. after walking a few steps, the drunkard turned around to see the blind man holding...

09-09-21 a device that allows blind people to attach and read audio labels on everyday objects has gone on show. 一种允许盲人听到日常生活用品上的文字的装置已经问世。 the penfriend is able to store 70 hours of audio the penfriend uses minute barcodes which -...