This weathering steel gives the building a rich orange tone that will continue to change in colour as its ages.

这种耐候钢板赋予建筑浓郁的橙色色调，这种色调随着使用年限的增长将继续改变。

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Leaves change colour in autumn.

树叶在秋天改变颜色。

《牛津词典》

There's a change in the colour of the pips that marks the onset of physiological ripeness, from green to yellow, which is the critical point at which to harvest.

通常在果核的颜色上会有一些变化，从绿色向黄色的转变标志着葡萄已开始进入生理成熟期，那时正是丰收的最佳时机。

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LEDs offer flexible lighting that can change in intensity and colour.

ECONOMIST: How two European giants keep up with the global race

So called rainbow proteins (a spin-off from work into bioluminescence), which change colour in response to particular compounds, are also an option for detecting environmental toxins, or the potential agents of terrorism.

BBC: The light fantastic: Harnessing Nature's glow

The next stage, currently still in the laboratory, is to develop coatings that change colour when they absorb toxic chemicals, thus alerting soldiers that they are under chemical attack.

ECONOMIST: Monitor: A good kind of gas-guzzling | The