我们曾做过一个实验,把五十名五至六岁的男女幼儿分成游泳组和陆上一般锻炼组。目的是观察游泳对增强幼儿体质、促进身、心全面发展的作用。两年之后,游泳组的身高平均增长了10公分,达117公分,陆上组平均增长了8公分,达113公分;体重游泳组和陆上组分别是21和19公斤;胸围 We have conducted an experiment to divide 50 young children aged between five and six into swimming groups and general exercise groups on land. The purpose is to observe the role of swimming in enhancing the physical fitness of infants and promoting the all-round development of the body and mind. Two years later, the average height of the swimming group increased by 10 cm to 117 cm, with an average increase of 8 cm over the land group, reaching 113 cm; the body weight of the swimming group and the land group were 21 and 19 kg respectively;