为了测量两极之间的高程差，测量员在两极中间的一个水平基座上使用了光学水准望远镜。

To measure the difference in elevation between poles, surveyors used an optical level—a telescope on a level base—placed halfway between the poles.

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米歇尔·奥巴马属于这两极之间的一类。

Michelle Obama falls somewhere between the two poles.

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足以衔接这两极之间的精细复杂的纽带依然遥遥无期。

A sufficiently sophisticated bridge between these extremes is nowhere in sight.

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That's because it's here where the rigid polarities between light and dark and good and evil, all of these absolute oppositions, begin to collapse.

这是因为这里就是光与暗,善与恶之间严格的两极分化，及所有绝对的对比开始崩塌的地方。

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