节水的英文：
water conservation

参考例句：

Conservation benefits
节水的好处

Water saving fixtures
节水装置

The water saving effect and economic benefit of it are obvious.
节水效果明显,效益显著。

Single DC welding transformer thyistor panel with water saver system.
单相直流焊机用变压器可控硅柜,带有节水系统

Agricultural aspect, should promote using method that saves water, such as spray pumping and drip pumping.
农业方面﹐应该推广使用节水技术﹐如喷灌﹐滴灌。

604.8 thousand tons water is saved every year. The economic,social and environmental benefit are all remarkable.
每年节水达60.48万t,取得显著的经济效益、社会效益和环境效益。

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。

conservation是什么意思：
n. 保存，保持；保护

conserve momentum
使动量守恒

Conservation is of the utmost importance.
保护自然资源至关重要。

We are not creatures of the Conservative government.
我们不是保守派政府的傀儡。

This year the Conservative Party is in.
今年保守党执政。

You must conserve your strength.
你必须保存你的实力。