每年,都有一个快乐而又炎热的暑假。我们生活在江南水乡的孩子避暑有个高招——游泳。俗话说水火无情,虽然我们在玩水时能够得到一片清凉,但同时也存在着危险因素。为什么这么说呢?故事得从头说起。去年暑假的一天中午,阳光 Every year, there is a happy and hot summer vacation. We live in the south of the Yangtze River children have a summer solstice - swimming. As the saying goes, relentless, although we can get a cool water when playing, but there are also dangerous factors. Why do you say that? One day at noon last summer, sunshine