However, intelligent life forms have been on Earth for millions of years during which the Earth has become a prison planet, where for various reasons souls have been sent to it.

然而，智能生命形式已经在地球上存在了几百万年，在此期间，地球已经变成了一个监狱行星，在这里，由于种种原因，灵魂被送到地球。

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If humanity wanted to broadcast its existence to intelligent life forms that might be out in the galaxy listening, a modulated beam of neutrinos would be a good way of doing so.

如果人类想让远在银河系的地方听到充满智慧生命存在性的广播，那么经过调制的中微子光束则是使他实现的一种很好的方式。

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With its abundance of liquid water, Earth supports a large variety of life forms, including potentially intelligent species such as dolphins and humans.

因为有丰富的液态水，地球支持着种类巨多的生命形态，包括可能是智能生物的海豚和人类。

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This is the idea that an intelligent force created all forms of life.

VOA: special.2009.12.01

"The planet may be habitable, but I wouldn't expect to see any intelligent life forms, " says Martin Griffiths, senior lecturer at the Centre for Astronomy and Science Education at the University of Glamorgan.

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