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1·Better irrigation can dramatically improve crop yield and about 40% of the world's food supply is currently derived from irrigated land.

更好的灌溉可以显著提高作物产量；目前，全球约40%的粮食供应都来自于灌溉地。

2·Finally, the growing population was probably fed by increasing the number and size of irrigated fields.

最后，持续增加的人口很可能是通过不断扩大灌溉土地的面积和规模而得到食物供应的。

3·They irrigated their crops with water from this river.

他们用这条小河里的水浇庄稼。《新英汉大辞典》

4·Only 4% of the continent's farmland is irrigated.

整个非洲大陆上只有4%的土地得到灌溉。

5·Only 17% of all the world's agricultural land is irrigated.

全世界农耕地只有17%得到灌溉。

6·If the eye is affected, it should be irrigated thoroughly.

如果眼睛受影响，应该进行彻底冲洗。

7·The Mekong River provides fertile, irrigated fields for rice production.

湄公河为水稻种植生产提供了肥沃的可灌溉土地。

8·The reason water matters so much is that irrigated farming is so productive.

水之所以这么重要的原因是，灌溉的田地产量高。 虽然只占世界总耕地的五分之一，但是生产了世界粮食的五分之四。

9·Over half of world's food comes from rain-fed farms, as opposed to irrigated ones.

世界粮食一半以上来自依靠雨水而非依靠灌溉的农田。

10·At the moment, about 2% of irrigated water is used to grow crops for energy, or 44km3.

目前，灌溉水源大约有2%用于能源作物，亦即44公吨；

灌溉的

1·Better irrigation can dramatically improve crop yield and about 40% of the world's food supply is currently derived from irrigated land.

更好的灌溉可以显著提高作物产量；目前，全球约40%的粮食供应都来自于灌溉地。

2·Finally, the growing population was probably fed by increasing the number and size of irrigated fields.

最后，持续增加的人口很可能是通过不断扩大灌溉土地的面积和规模而得到食物供应的。

3·This is all reassuring—until you remember that irrigated agriculture accounts for 70 percent of the fresh water used by humans.

这些都很令人欣慰，不过你应该知道，农业灌溉消耗的水量占到了人类总耗水量的70%。

4·Water problems will worsen both because irrigated areas will suffer disproportionately from the effects of climate change and because diets are shifting towards meat, which is thirsty.

水的问题会更加严重，一是因为灌溉地区将受到气候变化的影响，而是因为饮食消耗转向肉类，而生产肉类是很耗水的。

5·With water deliveries slashed because of drought and environmental disputes, he could plant only 20 percent of his property with irrigated crops this year.

因为干旱和环境恶化，供水大幅削减，他今年仅能在自己20%的土地上种植灌溉作物。