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

耶鲁公开课 - 古希腊历史简介课程节选

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

耶鲁公开课 - 基础物理课程节选

Professor Taylor says his team used this method to discover that butterflies depend on information about the Earth's magnetic fields.

VOA: special.2010.04.27

He did this while picking crops in the fields and shining people's shoes to earn money to survive.

VOA: special.2010.05.16

A local public relations man suggested a celebration of the area's once plentiful strawberry fields.

VOA: special.2009.05.19

She was sent to the fields. Harriet's parents were sad.

VOA: special.2011.02.13

Under the Khmer Rouge government in the late 1970s, Kampot's famous pepper plantations were uprooted and replaced with rice fields.

VOA: standard.2009.04.16

The sandy dirt and dried-out fields of Thailand's northeast look little like the country's tourist brochures.

VOA: standard.2010.05.14

Donahue says lifting the embargo will give U.S.businesses significant opportunities to sell agricultural and manufactured goods to Cuba and to develop offshore oil fields.

VOA: standard.2009.05.06

Grayson says Mexico's gross domestic product is likely to drop 5.5 percent this year due to the flu scare, the worldwide recession and declining production from Mexico's oil fields.

VOA: standard.2009.06.09

This year's race draws entrants from 29 musical fields.

VOA: standard.2010.01.25

"It ranged from looking at me when I would ask a question as though something was very strange and then some other student would ask the same question and the teacher would say, 'This is an astute observation.' (SAYING...) Despite a gradual increase in women graduating with undergraduate and graduate degrees in science fields, the gap between men and women remains significant in the U.S.workplace.

VOA: standard.2010.03.26