求翻译：饭前饭后都应补充大量的水分。身体缺水时，新陈代谢的水平，会比原先降低减少2%。这时候避免喝茶、苏打水、咖啡等含有咖啡因的饮料。在咖啡因的作用下，身体只会吸收一半的水分。是什么意思？

Before and after a lot of water should be added. Body water, the metabolic level, lower than the original 2%. This time to avoid tea, soda, coffee and other caffeinated beverages. In the role of caffeine, the body will only absorb half of the water.

Before and After should add a large number of moisture. water is scarce, body metabolism, the level will be lower than the original 2% reduction. By this time avoid drinking tea, soda, coffee, caffeinated beverages. The role of caffeine in your body will only absorb half of the moisture.

After before meals the food all should supplement the massive moisture contents.When the body lacks the water, metabolism level, can compare reduces originally reduces 2%.At this time avoids drinking tea, the soda water, the coffee and so on includes the caffeine drink.Under the caffeine function, t

After meals added a large number of water before meals. When physical water scarcity, level of metabolism, is less than the original lower 2%. Avoid drinking tea, sodas, coffee and other caffeinated beverages. In the action of caffeine, the body will absorb only half of the water.

Should supplement a large amount of moisture after a meal before a meal. When body lack water, level of metabolism, will than lower reduce by 2% originally. Avoid drinking beverages with caffeine such as tea, soda water, coffee,etc. at this time. Under the function of caffeine, the health will only