By sucking sap from the young twigs of the hemlock tree, tree growth is retarded by the woolly adelgid, causing needles to change color from deep green to grayish green and to drop prematurely.

通过吮吸铁杉幼嫩枝的汁液，树木的生长被毛茸茸的叶蝉阻碍，导致针叶从深绿色变为灰绿色，并提早掉落。

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Resistance to change color experiment: use the oven for law, whether change color or peeling.

抗变色实验：使用烤箱烘烤法，是否变色或者脱皮。

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Uluru is a World Heritage site in central Australia known for appearing to change color when the sun hits it from different angles.

乌鲁鲁巨岩是位于澳洲中部的世界遗产，为人所知的是因太阳照射角度不同会呈现不同的颜色。

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The leaves on many of the trees have already begun to change color as they prepare to drop to the ground.

VOA: special.2009.09.21

Or,they can be more complex such as using liquid glazes to change the color or shininess of the clay surface.

VOA: special.2009.09.09

For example,they change color to protect themselves from enemies.

VOA: special.2010.01.04

Toast the fennel seeds in a small skillet over medium heat just until they start to change color.

NPR: Recipe: 'Good Day for a Picnic'

My skin color has done nothing to change my personality, and my personality has done nothing to change my skin color.

NPR: Being Content with Myself

On a larger scale, the cubes could be used to replace walls and floors in a building -- want to change the color of your wallpaper?

ENGADGET: OLED Display Blocks pack six 128 x 128 panels, we go hands-on at MIT (video)