通过化石记录，有迹象表明动物的再生能力是不集中的。
Signs of animals’regenerative abilities are scattered throughout the fossil record.
这部纪录片的目的也在于记录美国花样滑冰运动的成长过程，以及这项运动如何从悲剧中再生。
The film also aims to capture the growth of American figure skating and how the sport rose from the tragedy.
当时的科学家知道进化的发生。化石记录表明了不再生存的生物迹象。问题是，进化是怎样发生的？
Scientists of the time knew that evolution occurred. The fossil record showed evidence of life forms that no longer existed. The question was, how did it occur?
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