环球慢速英语 特殊人群(3)（在线收听）

Voice 1: Some scientists think that the damaged genes may be the ones that cause human beings to walk on two legs. If that is true, it would explain why the five young people cannot walk normally. These scientists think that other genes may have started working instead of the damaged genes. The scientists suggest that these genes are 'older'. They may be the genes that cause animals to walk on all four legs. They think that these genes could have existed in our ancient ancestors.

声音1：一些科学家认为，这些损害基因与人类用两条腿走路有关。如果这是真的，那就能解释为什么这5名年轻人不能正常走路了。这些科学家认为，可能有其他基因代替这些受损基因工作。科学家认为，这些基因很“古老”。它们可能是使动物用四条腿走路的基因。他们认为这些基因可能存在于我们的祖先身上。

Some scientists are saying that these five young people of the Ulas family represent a missing link with our ancestors. Uner Tan, a Turkish scientist, believes they are like a model. He thinks they demonstrate how human beings developed.

一些科学家表示，乌纳塔恩家族的这5名年轻人代表了我们祖先“缺失的环节”。土耳其科学家认为，他们就像模型。他认为他们说明了人类的进化方式。