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。

Contented Homo erectus got eaten before passing on their genes.

心满意足的直立人在传递基因之前就被吃掉了。

So, the question becomes, did Homo floresiensis evolve from Homo erectus?

那么，问题就变成了，弗洛瑞斯人是从直立人进化而来的吗？

The new finds seem to point to Homo erectus.

新发现似乎指向直立人。

Apparently Homo erectus first got this disease by eating large amounts of animal liver.

显然，直立人首先是通过食用大量动物肝脏而患上这种疾病的。

See, about 2 million years ago, humans -- specifically, Homo erectus -- evolved smaller, less powerful jaws.

看，大约 200 万年前， 人类——具体来说，直立人——进化出更小、更无力的颌骨。

Dart could see at once that the Taung skull was not of a Homo erectus like Dubois's Java Man, but from an earlier, more apelike creature.

达特马上发现，这并非是杜布瓦发现的爪哇人那样的直立人，而是与猿更为接近的远古猿人。

Because Homo erectus had bigger brains and bodies than earlier human ancestors, and would have needed more energy to sustain themselves.

因为直立人的大脑和身体比早期的人类祖先更大，需要更多的能量来维持自己的生命。

No human remains have been found there, but based on its age and the stone tools at the site, the inhabitants are most likely to have been Homo erectus.

在那里没有发现人类遗骸，但是根据它的时期和遗址上的石器，居民很可能是直立人。

The scientists say Homo erectus, considered the first member of the human family tree to have moved out of Africa was not able to survive a cold period that lasted 4,000 years.

科学家们表示，直立人——被认为是人类族谱中第一个走出非洲的成员——无法在持续4000年的寒冷时期幸存下来。

Homo erectus lived about one and a half million years ago and was given that name because, at the time the first fossil was discovered, it represented the first primate to stand upright.

直立人生活在大约 150 万年前，之所以取这个名字，是因为在发现第一块化石时，它代表了第一个直立站立的灵长类动物。