The negatively charged region is large: several hundred meters thick and several kilometers in diameter.

带负电荷的区域非常大：数百米厚，直径达几千米。

youdao

The committee has been charged with the development of sport in the region.

委员会已被赋予在该地区发展体育运动的职责。

《牛津词典》

Concentrations of positively charged particles develop at the top and bottom of the cloud, but the middle region becomes negatively charged.

带正电荷的粒子集中在云团的顶部和底部，但中间区域形成的是带负电荷的粒子。

youdao

For the first time, astronomers have determined the size and shape of the highly-charged region of radio emission surrounding the black hole.

BBC: By BBC News Online Science Editor Dr David Whitehouse

Before the two packs - which at Test level can weigh in the region of 120 stone each - often charged into contact from as much as three feet away.

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They also claim that interest rates, when viewed within the context of the region serviced, are lower than the rates charged by informal moneylenders.

FORBES: Topic of Debate