盲人与健全人一样热爱生活。他们追逐梦想,辛勤劳动,关爱他人,努力实现自我价值。然而,盲人在生活中会遇到许多困难,不能通过眼睛来了解别人、不能看到美丽的风景等。盲人拐杖是盲人的好帮手,能帮助盲人避开路障、顺利地下楼梯……对于路上的小水坑,普通的盲人拐杖就没办法提醒盲人当心了。我们想改进盲人拐杖。可具体怎么做呢?书上说:纯净的水是绝缘体,而生活中的水由于富含杂质大都是导体。我们想到利用水的这种特性来改进盲人拐 Blind people love life just like healthy people. They chase their dreams, work hard, care for others, and work hard to achieve self-worth. However, blind people encounter many difficulties in their daily lives, they can not understand others through their eyes, they can not see the beautiful scenery and so on. Blind crutches are good helpers for the blind, can help the blind to avoid the roadblocks, smooth down the stairs ... For the small puddles on the road, the ordinary blind crutches can not be reminded of blind people beware. We want to improve blind crutches. What can be concrete? Book said: pure water is an insulator, and life of water due to impurities are mostly conductors. We think of using this property of water to improve blind people