问题标题：
英语翻译Millionsofyearsago,thedinosaurs(恐龙)ruledtheearth.Sincethen,therehavebeennodinosaurs.Whathappenedtothen?Weknowtheydidnotalldieatonce.Itmayhavetakenafewmillionyearsforallofthemtodie.Inthedaysofthe
问题描述：
英语翻译
Millionsofyearsago,thedinosaurs(恐龙)ruledtheearth.Sincethen,therehavebeennodinosaurs.Whathappenedtothen?Weknowtheydidnotalldieatonce.Itmayhavetakenafewmillionyearsforallofthemtodie.Inthedaysofthedinosaurs,thewholeearthwaswarmandwet.Thereweremanygreenjungles(丛林).Buttheearthchangesslowly,allthetime.Whenpartsoftheearthbecamecoldanddry,thejunglestheredied.Thendinosaurscouldnotfindenoughtoeat.Thismustbeonreasonwhythedinosaursdiedout.
刘煜回答：
百万年前,恐龙统治着地球.而后,恐龙灭绝了.究竟发生了什么?我们知道它们不是突然灭绝的,而可能是在几百万年间全部灭绝的.恐龙生存的年代,整个地球的气候温暖潮湿,有许多丛林.然而,地球的气候不断逐渐改变.当一些地域的气候变得寒冷干燥时,这部分的丛林便死去了.恐龙无从觅食物.这可能是恐龙灭绝的原因之一.
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