The villagers are rationed to two litres of water a day.

村民每天的用水量限定为两升。

《牛津词典》

Albeit gave the cow grass and water every day.

艾乐贝特每天给牛喂草和水。

youdao

As a diver, he worked several hours a day under the water.

作为一名潜水员，他每天在水下工作好几个小时。

youdao

Even better,doctors say, drink about two liters of water a day so problems with dehydration will not have a chance to develop.

VOA: special.2010.07.27

For days I had dreamed about a huge, white boat floating on a vast body of water, but when my mother took me down to the levee on the day of leaving, I saw a tiny, dirty boat that was not at all like the boat I had imagined.

那些天我总是幻想着一艘,巨大的白船徜徉在宽阔的河上，但当出发那天,妈妈将我带到岸边时，我只看到一只又小又脏的船,完全不是我想的那样，“

耶鲁公开课 - 1945年后的美国小说课程节选

It used to be the case that-- well I mean my guess is that very few of you probably go through a day without interacting with a water bottle at some point.

以前的情况是,我是说,我猜在座很少有人经历过,一整天不带水壶的日子

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Another event taking place in the week of News Day is World Water Day .

BBC: Story ideas for 2011 News Day

The global experiment will be launched with a Big Splash on 22-25 March 2011, which coincides with World Water Day and National Water Week in South Africa.

UNESCO: World Water Assessment Programme (WWAP)

The ship generates and distributes its own power, provides and maintains sanitation, heating, ventilation and air conditioning systems, and makes several hundred thousand gallons of water every day from sea water.

FORBES: What Is It Like To Be The Commanding Officer Of An Aircraft Carrier?