原文视听

The Sierra Madre Mountains in Mexico
墨西哥的马德雷山脉
are home to one of the greatest natural wonders.
拥有全世界最惊人的自然奇观
A billion bright orange butterflies
十亿只亮橘色蝴蝶的拍摄工作
offered the Life team a wonderful filming challenge.
带给‘生命脉动’制作团队 绝妙的挑战
The colonies are only found above 3,000 metres
蝴蝶聚落只存在于 海拔三千公尺以上的高山
and the team trek there slowly in the thin air.
制作团队在 稀薄的空气中缓慢跋涉
The monarch phenomenon was only discovered here around 30 years ago
帝王斑蝶现象在此地 发现的时间不过短短三十年
and one man has been studying them every year since,
自此之后有一个人 每年都会来研究蝴蝶
Professor Lincoln Brower.
林肯布劳尔教授
His knowledge will be essential if the team are to achieve their goal
制作团队若想得偿所愿 让摄影机跟着蝴蝶翩翩起舞
of flying a camera among the butterflies.
就必须仰赖他的知识
It's amazing that the butterflies only come to this area
很奇妙的是 这些蝴蝶只来这一区
that's about 30 by 60 miles in extent.
面积约为三十乘六十英里的区域
There are other areas that have high forests,
乔林在别的地方也有
in different parts of Mexico,
在墨西哥其他地区
to the west of here, to the south of here,
这一区的西方和南方都有乔林
but as far as we know, this is the only place
但是据我们所知 帝王斑蝶
that monarchs are able to spend the winter.
只会来这里过冬
The butterflies are in such numbers
蝴蝶的数量如此庞大
that filming them the traditional way, from a camera on a tripod,
如果用传统的方式把摄影机 固定在脚架上进行拍摄
is reasonably straight forward.
还满直截了当的

重点解释

but as far as we know, this is the only place that monarchs are able to spend the winter.但是据我们所知帝王斑蝶只会来这里过冬

as far as we know据我们所知

As far as we know, that man is bad pay.

据我们所知，那人没有信用，欠债不还。

As far as we know, dolphins have no sense of smell.

据我们所知,海豚没有嗅觉。

be able to会； 能

It took him three months to be able to run a mile.

要能跑一英里需要他三个月。

We hoped that we should be able to do that.

我们希望我们能这样做。

filming them the traditional way, from a camera on a tripod,is reasonably straight forward.如果用传统的方式把摄影机固定在脚架上进行拍摄还满直截了当的

straight forward直通

When you get off at Wan-hua,go straight forward.

在万华下车后，再向前直走。

Your advice was what kept him going straight forward.

你的忠告就是他保持上进的原因。