Fossils are often washed together on-site in a large bath which can allow water and contaminants in the form of contemporary DNA to permeate into the porous bones.

化石通常在大浴池中进行现场清洗，这可以使水和现代 DNA 形式的污染物渗透到多孔骨骼中。

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The engine was arranged in the form of a large disk, which he referred to as a " pancake engine.

该引擎以大磁盘的形式排列，他称之为“水平对置式发动机”。

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On the contrary, individuals move about at will, alone or in small groups best described as bands, which sometimes form into large aggregations.

相反，每只黑猩猩随意流动，或是独自一人，或是作为最好称之为团伙的一员。 团伙有时会与其它团伙合并成大的聚合体。

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Unusual individuals such as Ms Bausch have, moreover, laid down aesthetics for an art form which, in this large, culturally often fractious country, has always lacked a centre.

ECONOMIST: Germany is now the dance centre of the world

Destruction of the world's forests releases large quantities of CO2, which form part of the greenhouse gas emissions that cause global warming.

BBC: Amazon deforestation 'at record low'

Since the rate at which small drops sweep one another up to form large drops varies with the square of their diameter, such drops are too tiny to make rain.

ECONOMIST: Weather and pollution