A Perfect Planet - First Season English Subtitles

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There is only one planet in the universe,as far as we know,
¾ÝÎÒÃÇËùÖª,ÓîÖæÖÐÖ»ÓÐÒ»¿ÅÐÐÐÇ,

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where there is life.
ÄÄÀïÓÐÉúÃü.

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The Earth.
µØÇò.

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Our home.
ÎÒÃǵļÒ.

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The perfect planet.
ÍêÃÀµÄÐÇÇò.

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Life here is only possible
ÕâÀïµÄÉú»îÊÇΨһ¿ÉÄܵÄ

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because of a unique balance of natural forces.
ÒòΪ×ÔÈ»Á¦µÄ¶ÀÌØƽºâ.

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Energy from the sun powers the living world.
À´×ÔÌ«ÑôµÄÄÜÁ¿ÎªÉú»îÊÀ½çÌṩÄÜÁ¿.

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A Perfect Planet.
Ò»¸öÍêÃÀµÄÐÇÇò.

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There is a nuclear reactor 93 million miles away.
¾ÅǧÈý°ÙÍòÓ¢ÀïÍâÓÐÒ»×ùºË·´Ó¦¶Ñ.

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We call it the Sun.
ÎÒÃdzÆ֮Ϊ̫Ñô.

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Its rays,travelling through space,
ËüµÄ¹âÏß´©Ô½Ì«¿Õ,

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reach the Earth in just eight minutes
°Ë·ÖÖÓÄÚµ½´ïµØÇò

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and give power to life throughout the planet.
¸øµØÇòÉϵÄÉúÃüÌṩÄÜÁ¿.

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Its daily and yearly rhythms
ÿÌìºÍÿÄêµÄ½Ú×à

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shape the existence of every creature on Earth
ËÜÔìµØÇòÉÏÿһÖÖÉúÎïµÄ´æÔÚ

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A Perfect Planet.
Ò»¸öÍêÃÀµÄÐÇÇò.

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We live in a world with a violent atmosphere.
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Rain clouds form,
ÓêÔÆÐγÉ,

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and powerful winds carry their fresh water around the globe.
Ç¿·ç°Ñµ­Ë®´øµ½È«Çò¸÷µØ.

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Without this,our perfect planet simply couldn't function
ûÓÐÕâ¸ö,ÎÒÃÇÍêÃÀµÄÐÇÇò¾ÍÎÞ·¨ÔËת

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for all life on land depends on the weather.
ÒòΪ½µØÉÏËùÓеÄÉúÃü¶¼È¡¾öÓÚÌìÆø.

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We all know that the weather can change on a daily,
ÎÒÃǶ¼ÖªµÀÌìÆøÿÌ춼Ôڱ仯,

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even hourly,basis.
ÉõÖÁÿСʱһ´Î.

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A Perfect Planet.
Ò»¸öÍêÃÀµÄÐÇÇò.

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All life in the oceans depends on the continuous movement of water.
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There are not five separate oceans on Earth
µØÇòÉÏûÓÐÎå¸ö¶ÀÁ¢µÄº£Ñó

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but just one
µ«Ö»ÓÐÒ»¸ö

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whose parts are linked by powerful,unceasing currents.
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Every drop of seawater on Earth rides these currents,
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taking a thousand years to complete a single circuit.
Íê³ÉÒ»¸öµç·ÐèҪһǧÄê.

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And where there are currents
ÄÄÀïÓÐË®Á÷

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Life flourishes on planet Earth
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thanks to powerful natural forces.
¸Ðлǿ´óµÄ×ÔÈ»Á¦.

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The weather gives us predictable patterns of rainfall.
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Sunlight delivers energy to all parts of planet Earth's surface.
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Ocean currents carry nutrients around the globe.
ÑóÁ÷°ÑÓªÑøÎïÖÊ´øµ½È«Çò¸÷µØ.

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Volcanoes create and fertilise the land.
»ðɽʹÍÁµØ·ÊÎÖ.

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Together,these forces have helped shape our living planet.
ÕâЩÁ¦Á¿¹²Í¬ËÜÔìÁËÎÒÃǵÄÐÇÇò.

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But it's a fragile system.
µ«ÕâÊÇÒ»¸ö´àÈõµÄÌåϵ.