华为D2手机 is important to all species of creatures.Human,plant and animal all need water.But the water which can be used by living creatures is getting less and less,therefore,we should learn to save evrey single drop of it.Water can be reused.Water that is used to wash the dishes,for example,can be reused to water the flowers.Please tell your parents to save water.Now we should work tegether 华为D2手机 protect the earth and save water.