这可能会有些晦涩难懂，但它为一个展览奠定了基调，展览中包含了大量的黑白照片和相对较少的自然物体。

That might seem rather an obscure point, but it sets the tone for an exhibition that contains a lot of black-and-white photographs and relatively few natural objects.

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由此拍摄出的黑白图像经着色后反映出虫卵的自然外观。

The resulting black-and-white images were then colored to reflect the eggs’ natural appearance

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以下图片是用扫描电子显微镜，利用电子光束跟踪物体表面制作而成。由此拍摄出的黑白图像经着色后反映出虫卵的自然外观。

The images were made with a scanning electron microscope, which uses beams of electrons to trace the surfaces of objects.

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