Variation among humans is limited to the possible permutations of our genes.人类的变异受限于我们的基因可能存在哪些排列。The possible permutations of x, y and z are xyz, xzy, yxz, yzx, zxy and zyx.x、y和z的可能的组合方式为xyz、xzy、yxz、yzx、zxy和zyx。These pe...
Peru: Cuzco and Apur í mac and Huallaga rivers & Colombian border.秘鲁: 库斯科,阿亚库乔地区,埃内河谷,阿普里马克省和瓦亚加河 和 哥伦比亚边境.The incas believed that cuzco was the navel of the universe.印加人认为库斯科是宇宙的中心....
The village is a settlement of just fifty houses.这个村子里只住了50户人。We ran across some old friends in the village.我们在村里偶然碰见了一些老朋友。The village is haunted by the ghosts of the dead children.死去的孩子们的幽灵常在该村出没。...