求翻译：　　游泳，是一种全身性的锻炼。人在游泳池中跑步20分钟所消耗的热量，相当于同样速度在陆地上的1小时。既可陶冶情操、磨炼意志游泳，又可以保持身材是什么意思？

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Swimming is a systemic exercise. People in the swimming pool running in 20 minutes, which is equivalent to the consumption of calories at the same speed at a land 1 hour. It can mold character, temper themselves swimming, which can also maintain build

　　The swimming, is one kind of body-wide exercise.The human jogs the quantity of heat in the swimming pool which 20 minutes institutes consume, is equal in the similar speed on the land 1 hour.Both may influence the sentiment, the tempering will swimming, and may maintain the stature

　　Swimming is a kind of whole-body workout. People running 20 minutes in the swimming pool consumes calories, equivalent to 1 hour of the same speed on land. Edifying, tempering the will swim either, but also to keep in shape