That does not mean, however, that a zoologist would mistake a 200m-year-old turtle or a 400m-year-old scorpion for any species now alive.

然而，这并不意味着一位动物学家可以将一只2亿年前的海龟或是一只4亿年前的蝎子与现在对应的活体物种混为一谈。

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You know the old Turtle and the Hare story.

你知道那个老的龟兔赛跑故事。

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The animal weighed more than 900kg (2, 000lbs) and, at 100 years old, it was the oldest recorded turtle as well as the largest.

BBC: NEWS | UK | Wales | Mystery of Wales turtle 'solved'

Though in recent decades the final traces of the grand old days of mahogany dining cars and dinner-jacketed waiters serving up turtle soup have vanished, the line still makes for an adventure worthy of any Grand Tour, particularly with your own diminutive passengers in tow.

BBC: Travel with children: The night train to Luxor