Save water 还是 Save on water正确啊?

Save water 还是 Save on water正确啊? save water save water ,shower withy save water怎么造句 save water piease是什么意思 save save save Save save save the water 和save water有什么区别 We should save water.翻译 we,save,do,how,water? How to save the water Let's save water作文 life can't be without water!do not waste the water!save the water!save water,save life! Children save water by not playing water games.(对划线部分提问) children save water?划线 by not save water Do save water,do save electricity,do save any energy!是否有语法错误?