节约用水的英文：
water saving为达到同等用水效果而科学合理地减少供水量的活动措施。

参考例句：

Please do not waste water
请节约用水

The government is appealing to everyone to save water.
政府呼吁每个人节约用水。

The government is appealing to everyone to save water
政府号召大家节约用水。

Everyone should also learn habits of self-realizing to saving water in everyday life.
每个人也应该在生活中养成自觉节约用水的习惯。

Save water. Shower with your girlfriend.
要节约用水，尽量和女友一起洗澡。

Reporter: Besides saving water, are there any other methods?
记者﹕除了节约用水以外﹐还有什么别的办法﹖

water是什么意思：
n. 水；雨水；海水；海域
v. 给…浇水；供以水；加水；流泪；流口水

In smooth water
进入顺境

Is the water on or off?
自来水龙头开着还是关着？

Water Skiing is a surface water sport.
滑水是一项水面运动。

Please fetch some water to water the flowers.
请你去弄点水来浇花。

Water will flow from their buckets; their seed will have abundant water.
水会从他们的桶里流出，而种子会获得充足的水源。

saving是什么意思：
n. 节约；存款；挽救
adj. 节约的；保存的；补偿的；救助的
prep. 除…以外
v. save的现在分词

Saving is getting
节约等于收入

Save the macro.
保存这个宏。

Her savings were in the Post Office Savings Bank.
她的钱存在邮政储蓄银行里。

My savings amount to $2001.
我的储蓄共达2000 美元。

A stitch in time save nine.
一针及时省九针。