Many farmer 's fields are irrigated by water brought from a river or lake through bamboo pipes.
很多农民的田地是通过竹管从河流或湖泊中引水灌溉的。
He witnessed the first post-war economic crisis of serious consequences prevailed in various fields in the U. s.
他亲眼目睹了美国战后第一次后果严重的波及各个领域的经济危机。
Though the peak in most fields comes early — most Nobel prize winners did their top research in their late 20's and 30's — creative people continue to produce quality work throughout their lives.
虽然大多数领域的最佳状态来得比较早- - - - -大多数诺贝尔奖获得者都是25岁以后、30多岁时完成他们最出色的研究的——但是创造型的人会在生命中不断地完成高质量的工作。
Almost sixty percent of the world's freshwater withdrawals from rivers, lakes and other water resources go toward irrigating fields.
VOA: special.2009.03.23
It's not extensive in the sense that you just have to scatter your stuff over wide fields; that's not what it is.
它不是你泛泛的在宽广的,土地上播种就够了,它并非只是这样
In fact, there's a property of gravitational fields anywhere, even in outer space, but there is some residual field between all the planets and all the stars in the universe, that the force on a body is proportional to the mass of the body.
实际上,这是任何地方的引力场都具备的属性,甚至是在外太空,在所有的行星和恒星之间,存在着某种剩余场,在这个场里作用在物体上的力,和物体的质量之间存在比例关系
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