1·Black people in Iraq suffer discrimination partly because of their skin color, and also partly because they do not belong to a tribe, said Jalal Chijeel, an Iraqi of African origin.
非裔伊拉克人贾拉·齐吉尔表示，此前非裔在伊拉克受到歧视的原因，一方面是因为肤色，另一方面是因为非裔不属于当地的部落。
2·The genes are involved in many different biological processes, like diet, skin color and the sense of smell.
这些基因参与了多种生物演变过程的改进，如饮食习惯、肤色和嗅觉等。
3·In a park in Paris city centre, pigeons were fed by two researchers, of similar build and skin color, wearing different colored lab coats.
在巴黎市中心的一个公园里，两名体型和肤色都相似的研究人员穿着不同颜色的实验室工作服去喂一群鸽子。
4·Regardless of skin color, a surprising number have topaz blue eyes.
令人惊奇的是，不看肤色，很多人竟然有托帕蓝色的眼睛。
5·One of the most visible human adaptations is that of skin color.
人类适应自然最明显要算肤色。