About day four, we realized that there was nothing in this chamber but hominids.

大约在第四天的时候，我们意识到，这间屋子里除了人科动物，什么都没有。

One area of paleoanthropological study involves the eating and dietary habits of hominids, erect bipedal primates—including early humans.

古人类学研究的个领域涉及原人（双脚直立行走的灵长类动物，包括早期人类）的饮。

We evolved smooth long foreheads and agile eyebrows compared to a stiff brow ridge of archaic hominids.

与古人类僵硬的眉脊相比，我们进化出了光滑的长前额和灵活的眉毛。

At no time since hominids first arose on Earth has Australia not been an island.

自从人科动物第次在地球出现来，澳大利亚就直是块孤立的陆地。

To other hominids, Homo erectus must have seemed terrifyingly powerful, fleet, and gifted.

在其他人科动物的眼里，直立人肯定显得个儿大、有力气、敏捷和有才干。

By the 1950s, the number of named hominid types had risen to comfortably over a hundred.

到20世纪50年代，被命名的人动物名称已达100。

In fact, in 2007, in the Siwa oasis, an early hominid footprint was discovered fossilized in the rocks.

事实，2007年在锡瓦的岩石中，发现了个早期原始人的足迹化石。

I found my first hominid — one-in-ten-million chance — my first day. It was completely — I was hooked.

我发现了我的第个人科动物化石——千万分之的机会——我第天就发现了。我完全被迷住了。

We know less about ourselves, curiously enough, than about almost any other line of hominids.

很有意思的是，我们对自己的了解，少于对人科动物几乎任何别的分支的了解。

The Asian hominids would have had to appear, as it were, spontaneously.

可说，除非亚洲的人科动物是自发出现的。

In addition, Homo erectus was the first hominid [HAH muh nid] to use fire.

此外，直立人是第个使用火的原始人 [HAH muh nid]。

But, as early hominids expanded their group size, reciprocal grooming became too time-consuming.

但是，随着早期原始人扩大他们的群体规模，互惠梳理变得太耗时了。

But anthropologists theorize that early hominids relied on lightning to cause forest fires, from which they could collect coals and burning sticks.

但是人类学家推论早期原始人依赖闪电引起森林大火，从而收取煤和燃烧的枝干。

It has these very different hands than any kind of hominid we've ever seen before, with those long, curved fingers.

它的手和我们前见过的任何人科动物的手都不样，有着又长又弯曲的手指。

If we were hunter gatherers or ancient hominids, every one of them would probably be dead.

如果我们是狩猎采集者或古代原始人，他们每个人都可能已经死了。

An upright hominid could see better, but could also be seen better.

直立行走的人科动物看得更清楚，但也被看得更清楚。

Early archaic hominids first arrived in the area  we today call Thailand at least 500,000 years ago.

至少在 50 万年前，早期古人类首次抵达我们今天称为泰国的地区。

But there is also an uncomfortable overlap with the rise of a certain hominid species originating in Africa 150,000 years ago.

另个双重效应就是15万年前某些原于非洲的原始人的进化。

The spacecraft gets her name from the Lucy fossil, an ancient human ancestor whose remains transform the study of hominid evolution.

“露西”号得名于“露西”化石，是古人类祖先的化石，其遗骸推进了对人类进化的研究。

I had looked at body proportions, but I had not made major hominid discoveries because they are just that rare.

我曾研究过身体比例，但是我对人科动物没有重大的发现，因为它们实在是太罕见了。