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And in doing so, they discovered an extraordinary affinity
过程中他们发现 人类和近亲动物之间
with our extended family.
有特殊的相似之处
Especially with a great ape
尤其是和人类
with who we share almost 99% of our genes,
有百分之九十九相同基因
the Chimpanzee.
属于类人猿的黑猩猩
He was completely asleep just then,
它睡得好熟
so you just, just rocking to the side as if he might just fall off
刚才还翻身 好像要从树上掉下来一样
the branch, you could see his lips were twitching like he was in a deep dream,
你可以看到它嘴唇抽动 好像睡得很沉在作梦
that was really beautiful.
真的很平静的画面
Chimpanzees are our closest relatives.
黑猩猩是与我们最相近的动物
Justine Evans spent almost a month with them in the forest of Guinea
贾丝汀艾凡斯花了一个月的时间
to film their use of tools.
在几内亚的森林里和它们相处 她要拍摄黑猩猩使用工具的画面
The chimps have disappeared off down there,
黑猩猩到那里就不见了
they're gonna cross over into another area of forest
它们会到另一片森林去
and hopefully start using some tools.
希望会使用一些工具

重点解释

so you just, just rocking to the side as if he might just fall off the branch,刚才还翻身好像要从树上掉下来一样

fall off跌落；下降

Be careful not to fall off the ladder.

当心别从梯子上掉下来。

Mary scrape her knee when she fall off her bike.

玛丽从脚踏车上摔下来擦伤了膝盖。

they're gonna cross over into another area of forest它们会到另一片森林去

cross over跨越； 交叉

I cross over the pedestrian overpass.

我走过天桥。

Who can cross over such raving wind and water?

谁能穿过这片狂乱的暴风和洪水么?

He was completely asleep just then,它睡得好熟

asleep, sleeping, sleepy这组词的意思不完全相同,其区别在于：

1.asleep和sleepy主要用作表语。asleep的意思是“睡着”,而sleepy的意思是“想睡”。例如：

The baby fell asleep; and I feel sleepy.孩子睡着了,我也犯困了。

2.asleep, sleepy和sleeping都可用作定语,这时的意思也不相同。asleep表示“睡着的”, sleepy表示“贪睡的”,而sleeping除表示“睡着的”外,还可表示与睡眠有关的东西。试比较：