求翻译：游泳是一项对身体关节磨损相对较小，但是同等运动单位时间内消耗热量最大的体育运动。通过游泳能提高血液循环速度和血红蛋白的含氧量，为人体细胞含氧量起到积极促进作用。是什么意思？

Swimming is a wear and tear on the body joints is relatively small, but within the same motor unit time to burn calories sports. Swimming can improve the speed of blood circulation and the oxygen content of hemoglobin, the oxygen content of human cells play an active role.

Swimming is an body joints wear out on a relatively small movement, but equally consumed per unit of time the thermal maximum sports. By swimming to improve blood circulation speed and hemoglobin, the oxygen level in the body cells from oxygen to active role.

The swimming is one item wears relatively to the bodily joint small, but in the same level movement unit time consumes the quantity of heat biggest sports.Can enhance the blood circulation speed and the hemoglobin oxygen content through the swimming, the manner somatic cell oxygen content gets up th

Swim wear is a joint body is relatively small, but the same sport of sports consume calories maximum per unit of time. By swimming to improve speed and haemoglobin oxygen content of the blood circulation, cell oxygen plays a positive role in promoting.