The origins of ethology can be traced back to darwin . 人種學的起源可以追溯到達爾文。
Continued exposure to sunlight of people whose skin is not strongly pigmented is related to an increased incidence of skin cancer . 皮膚色淺的人種,如果持續(xù)的暴露在太陽光線時,皮膚癌的發(fā)病率要增加。
Cose , ellis . " our new look : the colors of race . 我們的新面貌:人種的顏色。
A member of any of the indo - aryan peoples 印度雅利安人任何一支印度雅利安人種的成員