巴克尔认为，这少量存在的物种说明了这片远古森林是在“灭绝边缘存活下来的生态系统”。

The small number of species also suggests the ancient forest was "an ecosystem right on the edge of being able to survive, " according to Barker.

youdao

页岩层顶部是由远古时候掩埋森林的沉积物构成。由于埋藏其下的煤已经被挖走，所以这些页岩有开裂和剥落现象。

The shale roof-made of the sediment that destroyed the forest so long ago-is cracking and flaking off now that the coal below it has been removed.

youdao

远古时期这里是一片森林。

There were forests here in the distant past.

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