鼻孔大小等因素随着温度和湿度的变化而变化，这种事表明进化在起作用。

Things such as nostril size vary with temperature and humidity in ways that suggest evolution is at work.

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这两种装置在阳光充足的气候条件下工作良好；但在北欧，太阳可能一次被云层遮挡数周，而温度不仅随着季节变化，而且还随着昼夜变化。

Both these devices worked well in sunny climates; but in northern Europe, the sun may be hidden by clouds for weeks at a time, while temperatures vary not only seasonally but from day to night.

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这种花也许是气候变化对该地区影响的最佳象征，它的颜色会随着温度及光照的变化而变化。

The flower is perhaps the best symbol of the effects of climate change in the region as its colour changes according to temperature and exposure.

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