The only clue he has is a fossil.

他唯一的线索就是一块化石。

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youdao

In 1969, a fossil hunter named Rod Wells came to Naracoorte in South Australia to explore what was then known as Victoria Cave.

1969年，一位名叫罗德·威尔斯的化石猎人来到南澳大利亚的那拉科特，探索当时被称为维多利亚洞穴的地方。

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It is exciting to stand only a few meters away and watch scientists clean the asphalt off a fossil that is thousands of years old.

VOA: special.2010.04.07

That's for a different lecture So, anyway, thermodynamics dates from the same period as getting fossil fuels out of the ground. It's universal.

这是另一堂课的内容,不管怎么说,热力学与开采化石燃料,起源于同一时期，它是普适的。

麻省理工公开课 - 热力学与动力学课程节选

But it also leads to a fossil fuel.

VOA: special.2009.10.23

Beneath the magnificence of the Appalachian Mountains, lie deposits of a fossil fuel that keeps America running.

BBC: Climate chaos: Transcript

Nature heavily skews the odds against an animal becoming a fossil most simply decompose.

NEWYORKER: Bones of Contention

Dr Manning said that studies on Dakota were continuing apace on a fossil he described as a pleasure to work with.

BBC: Dinosaur mummy yields its secrets