1·Shared intentionality evolved very early in the human lineage, he believes, and its probable purpose was for cooperation in gathering food.
他认为共享意向在人类世系中很早就得到发展了，而且它的目的很可能是在采集食物过程中相互合作。
2·Before heading west towards Europe, the next mutation, which defined a new lineage, appeared in a man around 35,000 years ago, 'he said.
他说：“在他们西迁至欧洲之前，大约3万5千年前，下一代物种突变出现在种族群体的个体中，标志着一个新世系的形成。”
3·The feuds of anthropologists normally begin when someone's grand theory of our lineage is contradicted by the unearthing of a few stone or bones.
人类学家自己内部之间的矛盾通常出现在某人关于我们世系的宏论，由于几块石头和骨头的出土而受到挑战的时候。
4·But M. tuberculosis of Euro-American lineage was more likely to cause disease only in the lungs, suggesting it is less capable of causing tuberculosis meningitis in the Vietnamese population.
但是欧美世系的结核分枝杆菌导致结核病局限于肺部的可能性更高，这提示它在导致越南人群的结核型脑膜炎方面的能力更低。
5·They also looked at the genetic lineage of the Mycobacterium tuberculosis bacteria infecting the patients.
他们还研究了感染患者的结核分枝杆菌的遗传世系。