It's used to irrigate an area the size of England. 整个系统被用来灌溉一片英国大小的区域
that will be used to feed chicken and cattle around the world. 用于喂养养殖的鸡和牛
that's not used to getting its feet wet. 因为他们讨厌下水
no need for the jet propulsion used by it's shallow water relatives above. 不象它的浅海亲戚利用喷射水流的反作用力
a technique that has been used here, in Mexico, to chart the largest underwater cave in the world - 在墨西哥的这个地方 这种科技被用来 测绘世界上最大的地下水洞