That's twice the amount of water needed for pork production, and three times the amount needed for chicken.

这是生产同等猪肉所需水两倍，鸡肉所需水倍。

He now grows crops that require less water.

他现在种植需水更少农作物。

The grand total is 9 billion tonnes of water. China does not have that much available.

总需水达90亿吨。供不应求。

The team calculated the production costs by assessing land area, water needs and fertilizer.

这一队通过评估土地面积、需水及肥料计算生产成本。

The government in Karachi says the city supplies only half of the water it needs daily.

卡拉奇政府说，该市每天只能供应所需水一半。

One possible solution would be to cut down less important species of trees that compete with sequoias for water.

一种可行办法就是减少非重要树种数，增加红杉需水。

At a current right of consumption, the global demand for freshwater doubles every 20 years.

按目前用水计算，每隔 20 年，全世界需水就会翻倍。

A rain gauge can tell you how long to water to put the desired amount of water into the garden.

雨计可以帮助明确花园所需水浇水时长。

Kidney beans only need 1,500 liters (396 gallons) , which is a tenth of the amount of water required for beef.

芸豆只需要 1500 升水，是牛肉生产所需水十分之一。

In an early trials run by a non-profit in Dubai, grain, zucchini and watermelon needed 50 percent less water to grow.

在迪拜一家非营利组织早期试验中，谷物、西葫芦和西瓜生长所需水减少了50%。