We will then have an objective measure of how colour discrimination and visual acuity develop at the level of the brain.

我们随后将进行一项客观的测量，看色彩辨别力和视觉敏锐度如何在大脑的层面形成。

《柯林斯英汉双解大词典》

He used fine brushes to outline the people in black. Then he filled them with colour.

他用细毛笔勾勒出黑色的人物轮廓。然后给它们涂上颜色。

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I gradually began removing small amounts of rind to get the different colour and then moved into shaping the skinned parts.

我渐渐开始将一小块瓜皮去掉以便获得不同的颜色，然后再开始修整其他有瓜皮的部分。

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If you want black, or white, or any other colour, then you need to anodise so that you can dye that layer.

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After this, the Queen, who was accompanied by the Duke of Edinburgh to HMS Ocean, then presented the new Colour to the fleet.

BBC: Queen presents fleet with Colour

Sometimes the skin is rubbed with malt sugar to give it an amber colour and is then hung up to air dry before roasting in the oven.

BBC: Sampling Beijing��s imperial duck