In 2013, an amateur caver found a fossilized jawbone deep in an underground chamber.

2013年, 一名洞穴探险爱好者在地下深处发现了一枚化石颚骨。

Yeah, growing jawbones and toenails and, uh, clumps of hair. Yeah, I've been listening.

是啊，长出了下颚骨还有脚指甲，和一块一块的毛发。嗯，我一直在听着呢。

Their head and jawbones capture vibrations and transmit them directly into the ear.

它们的头部和颌骨捕捉振动并将其直接传递到耳朵中。

The fossil find is a piece of jawbone, with a tooth, from a dromaeosaur.

这次发现的化石是带有一颗牙齿的奔龙颌骨。

Snakes pick up ground vibrations by way of their jawbones, which connect directly to their middle ear bones.

蛇通过下颚骨接收地面振动，而下颚骨直接连接到它们的中耳骨。

In fact, a monk found a piece of jawbone there in 1980, which has been tenuously linked to the Denisovans.

事实上，一名僧侣在1980年在那里发现了一块颌骨，这与丹尼索瓦人有微弱的联系。

He knew it was special—for a start it was in really good condition, as if it had been just extracted from the animal's jawbone.

他知道它很特别——因为刚开始的时候它保存非常完好，好像刚从动物的颌骨上弄下来的。

That love bite triggers a chemical reaction whereby his jawbone starts to disintegrate.

爱的咬伤引发了化学反应，他的颚骨开始崩解。

The researchers also attributed part of a large jawbone with toothlike structures to the species.

研究人员还将具有牙齿状结构的大颚骨的一部分归因于该物种。

Now, the discovery of a lower jawbone indicates that the first humans may have emerged 2.8 million years ago in Ethiopia.

现在，这块下颌骨的发掘意味着早期人类可能出现在280万年的埃塞俄比亚。