Some experts argue that we are approaching the limit of the number of people the earth can support adequately.

一些专家称，人类正在逼近地球所能承受的极限。

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People were awestruck by the pictures the satellite sent back to earth.

人们对人造卫星送回地球的图片叹为观止。

《牛津词典》

People used to think the earth was flat.

人们曾经认为地球是平的。

《牛津词典》

Years of worry that the same rockets that could take people to the moon could also bring nuclear war to Earth.

VOA: special.2009.08.16

It's always Milton's duty - this is the reason that he was put on this earth: to liberate a people from any such constraining customs.

弥尔顿的使命是,-他是为此才诞于世上：,将英格兰民族从所有抑制人的传统中解放出来。

耶鲁公开课 - 弥尔顿课程节选

because the Earth is in need of people becoming more aware of what it needs.

因为地球需要人们的关心。

有很多活动 - SpeakingMax英语口语达人

It drew strength from the not-so-young people who braved the bitter cold and scorching heat to knock on doors of perfect strangers, and from the millions of Americans who volunteered and organized and proved that more than two centuries later a government of the people, by the people, and for the people has not perished from the Earth.

CNN: Transcript: 'This is your victory,' says Obama

But Pan Yue, the best-known advocate of green concerns within the Chinese government, says ancient creeds, like Taoism, offer the best hope of making people treat the earth more kindly.

ECONOMIST: Religion and ecology

All this misses the point: there are too many people for the Earth's fragile ecosystems.

ECONOMIST: Demography, growth and the environment