当叶绿素耗尽时，在整个夏季被它主导的其他颜色开始显现。
As chlorophyll is depleted, other colours that have been dominated by it throughout the summer begin to be revealed.
例如，昆虫能够看到极光——光对它们来讲会根据从不同的表面反射的不同角度而显现出不同的颜色。
For example, insects can see polarised light - light to them appears as different colours, depending on the Angle at which reflects off different surfaces.
在春季到初秋的时间里，这些线条长度会变长，在赤道周围的斜坡上所显现的颜色也会变得更深。
The lines appear to lengthen and darken on rocky equator-facing slopes from late spring to early autumn.
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