He wants to use the water to irrigate barren desert land.

他想用该水来灌溉贫瘠的沙漠土地。

《柯林斯英汉双解大词典》

None of the water from Lake Powell is used to irrigate the area.

鲍威尔湖的水没有被用来灌溉这一地区。

《柯林斯英汉双解大词典》

Later, they learned to work with the seasons, planting at the right time and, in dry areas, making use of annual floods to irrigate their fields.

后来，他们学会了按季节耕作，适时播种，以及在干旱地区利用每年的洪水来灌溉他们的农田。

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It's the first time that Howell has had to irrigate in the 40 years running the farm.

NPR: Tennessee Drought Stunts Growth of Local Crops

By means of canals and huge concrete aquaducts, they took the rivers' waters to irrigate vast areas of cotton.

ECONOMIST: Cotton

Some of the evaporated seawater inside the greenhouse also condenses creating freshwater, which will be used to irrigate plants.

CNN: Project to turn desert green trials in Qatar