求翻译：每周快走五天三十至四十分钟，在冬天的时候，患有疾病的可能较少。开窗通风，减少细菌的滋生。确保你喝足够的水。一般健康成年人每天应喝8杯的水，可以保证你的需要。是什么意思？

Five days 30 to 40 minutes of brisk walking a week, suffering from the disease may be less in the winter time. Windows open for ventilation, to reduce the breeding of germs. Make sure you drink enough water. Generally healthy adult should drink 8 cups of water, and can guarantee your needs.

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Each Zhou Kuai walks five days 30 to 40 minutes, in winter time, contracts disease to be possibly few.Opens the window to ventilate, reduces the bacterium multiplying.Guarantees you to drink the enough water.The common healthy adult should drink 8 water every day, may guarantee your need.

30-40 minutes go five days a week, in winter when less may suffer from diseases. Open the window, reduce the breeding of bacteria. Make sure you drink enough water. General healthy adult should drink 8 glasses of water a day, will ensure that you need.