直立行走的

Now are sure that Australopithecus had a two-way movement of feet to walk upright.

目前能肯定南方古猿已采用两足直立行走的运动方式。

The Yunxian Man fossil skull is believed by scientists to belong to homo erectus, a predecessor of homo sapiens that walked on their two legs with an upright body posture.

科学家们认为袁县人属于直立人，是靠两条腿直立行走的智力人的祖先。

But the omnivorous beast is rampant still.

然而，杂食性动物都是直立行走的。

Last time we discussed how human beings are the only primate that walks on two feet.

上一次 ，我们讨论了人类是唯一能直立行走的灵长类动物。

An important difference between humans and other vertebrates is the fact that humans ambulate in a fully erect position.

由于人是直立行走的，所以特发性脊柱侧凸是人类特有的一种疾病状态。

Compared to us, they had larger teeth and stronger chewing muscles, a stouter skull with a smaller brain.

研究人员指出，数百万年前，早期人类学习直立行走的过程并不简单，我们的一些早期祖先还是八字脚。

A re-examination of anklebones from early hominids indicates their gait was not as stable as previous research suggested.

研究人员指出，数百万年前，早期人类学习直立行走的过程并不简单，我们的一些早期祖先还是八字脚。

"The lower part of the body, which includes the foot, the shin bone and the thigh bone clearly shows us that this species was an upright walking creature," he said.

&包括脚，胫骨和股骨在内的下半身清楚地告诉我们这是直立行走的产物。&他说。

Dated to 3.5 million years ago, they were evidence of three four-foot-tall, upright-walking prehumans.

这些脚印年代约在距今三百五十万年以前，在脚印推断这些脚印可能是由三个四呎高、直立行走的前人类。

Right now we can say this is the world's oldest bipedal-an animal walking on two feet and what makes this significant is because what makes us human is walking upright," Latimer said."This new discovery will give us a picture of how our 4-million-year-old ancestors walked upright .

Latimer说：我们现在就能说这是世界上最古老的两足行走动物，其意义在于使人类直立行走，这个新发现将向我们展示400万年前的人类祖先是如何直立行走的。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。