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It also has one freakish feature: there are seven rows of teeth.
它還有一個很特別的特征：它有7排齒列。
It is unlike any other creature we know of.
這與我們所知的任何動物都不一樣
This suggests it must be one of the host of mutants that made this change,
這說明這種演變一定是多次突變的其中一個結果
just one of which would eventually become our ancestor.
最后只有一個變成了我們的祖先
Livoniana is a real missing link.
文塔螈是真正的進化缺環
Darwin's 360 million year old riddle about how we developed our legs has been solved.
達爾文提出的3億6千萬年前的古老謎題，關于我們如何長出腿腳終于得到了解答。
It was vegetation on land and in the water that let flourish an explosion of mutations among lobe-finned fish.
陸地和水中的植被在肉鰭魚中引起了變異大爆發
The most successful of these mutations, the one that stood the test of time,
其中最成功、最經得起時間考驗的突變
was the development of limbs with fingers and toes.
就是進化出四肢和趾頭
It was out of this swampy area that our earliest ancestor came crawling over land.
正是從這些沼澤地區，我們最早的祖先開始爬上陸地
It was not pre-ordained, but chance, a series of evolutionary accidents,
這一過程并非是預先注定的，而是歷經一系列偶發的進化事件
but it just so happened that that creature's children would indeed inherit the earth one day.
但它確實發生了，就這樣，那種動物的子孫后代最終繼承了地球。
