Homo erectus was the first member of our evolutionary lineage.

直立人是我们进化谱系的第一个成员。

Homo erectus made it as far east as China and Indonesia.

直立人向东远至中国和印度尼西亚。

Homo erectus had Homo erectus parents and Homo erectus kids.

直立人有直立人的家长，还生了直立人的孩子。

Homo erectus was one of the most successful human species of all time.

直立人是有史以来最成功的物种之一。

Some authorities don't believe that the Turkana finds are Homo erectus at all.

问题在于，图尔卡纳骸骨尽管相当完整，可是其他直立人的骸骨却残缺不全。

Homo erectus had body proportions like our species, Homo sapiens, though with a smaller brain.

直立人的身体比例和我们的智人一样，只是大脑更小。

They existed exclusively on the island of Flores in Indonesia and likely evolved from Homo erectus.

他们只生活在印度尼西亚的弗洛勒斯岛上，而且很可能是从直立人进化而来的。

And Homo erectus had already evolved weaker jaws, and smaller teeth, more than a million years before that.

而直立人进化出相对脆弱的下颌及小牙齿要比那个时候还早100万年。

The skull of our ancestor, homo erectus.

马特：我们祖先直立人的头骨。

Homo erectus fossils from 1.8 million years ago are known from a place in the Caucasus Mountains in Georgia called Dmanisi.

180万年前的直立人化石是在格鲁吉亚高加索山脉一个叫德马尼西的地方发现的。