跟读练习: The secret underground pipeline across Britain - 通过视频学习英语口语

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Sometimes when people say something is secret, they mean it's little known or hidden.

But this actually is a secret.

In the Second World War, Britain had a problem, getting fuel from refineries to airfields up and down the country.

Above -ground transporter fuel was too vulnerable to well -placed bombing of the road network, not to target the tankers themselves, but to make the roads they used impassable.

The solution?

Build an enormous, top -secret, underground pipeline network network to carry aviation fuel across the country.

It was even built at night, so enemy reconnaissance aircraft wouldn't be able to tell what was going on.

Over the decades since, this network has been expanded and expanded and expanded, until it became 1 ,500 miles of pipes that connect seaports,

airports, fuel refineries and air force bases across Britain.

It's vital for both military and civilian use.

When your plane's being refuelled at any major British airport, that fuel is coming from tanks that are connected straight to this pipeline network.

Airports in other countries have similar systems, but they're smaller, private arrangements.

This was one big, top -secret government network.

In fact, until it was sold off and privatised in the last few years, the Air Force flew over most of the network regularly, just to make sure all was well.

Now, the pipeline's public knowledge today, because you can't keep something as big as that secret anymore.

You can see the schematic, like a vague subway diagram, and there are a few well -documented planted places, like here near Gloucester, where it pokes above ground for a few metres.

But there is no public map of exactly where the pipelines lie.

In 2010, the government refused to answer a Freedom of Information request for

that map on the grounds that it would affect national security and defence, and to be fair, it would.

But at the same time, anyone local might well need to know where that pipeline is, just so a construction worker with a drill doesn't suddenly break a pipe and spray high -pressure,

highly flammable aviation fuel all over the place, and stop Heathrow Airport for a day.

So all the pipes have these markers above them, at regular intervals.

Sometimes these smaller ones you can see in the back, but often these massive posts.

Most people will see them just as street furniture, if they notice them at all.

But if you're a professional, surveying the area around here ready to dig, that's a big warning sign that perhaps you might want to double -check exactly what's below ground here.

Now, in theory, someone could use modern aerial and street photography, work out the routes and publish them anyway.

And a few enthusiasts have done that for their local area.

But you won't see any official confirmation of that, because for once, this pipeline really is a secret.

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本课的词汇与口语要点

这段视频共有 28 个句子、481 个单词可供跟读。讲话部分时长为 2:32。说话人语速较快，每分钟约 189 个词，会出现较多连读和弱读。 84% 的单词属于英语最常用的 3,000 词，其余的词建议在练习前先学一下。

视频中的重点词汇

视频中 15 个值得学习的单词，附发音和释义：

单词	发音	释义
pipeline 名词	/ˈpaɪpˌlaɪn/	管道, 管線 /管线
expand 动词	/ɪkˈspænd/	擴展 /扩展, 擴張 /扩张
pipe 名词	/ˈpaɪp/	笛子, 管子
connect 动词	/kəˈnɛkt/	連接 /连接
aviation 名词	/ˌeɪ̯.viːˈeɪ̯.ʃən/	航空, 飛行 /飞行
photography 名词	/fəˈtɑ.ɡɹə.fi/	攝影 /摄影
worker 名词	/ˈwɝ.kɚ/	工人, 工作者
refuse 动词	/ɹɪˈfjuːz/	拒絕 /拒绝, 回絕 /回绝
vital 形容词	/ˈvaɪtəl/	生命的
underground 形容词	/ˌʌn.dəɹˈɡɹaʊnd/	地下
furniture 名词	/ˈfɝ.nɪ.t͡ʃɚ/	家具
arrangement 名词	/əˈɹeɪnd͡ʒmənt/	排列, 安排
enormous 形容词	/ɪˈnɔː.məs/	巨大的
civilian 名词	/sɪˈvɪl.jən/	平民
vulnerable 形容词	/ˈvʌln(ə)ɹəbl̩/	脆弱的, 敏感的

视频中出现的短语动词

单词	发音	释义
sell off 动词		賣掉 /卖掉, 賤賣 /贱卖
work out 动词	/ˌwɝk ˈaʊt/	計算 /计算, 算出

需要注意的发音

说话人用了 6 次缩略和弱读形式，例如 can't, doesn't, they're。请按听到的简短形式来说。

“sh” 和 “zh” 音: aviation /ˌeɪ̯.viːˈeɪ̯.ʃən/, publish /ˈpʌblɪʃ/, confirmation /ˌkɑn.fəɹˈmeɪ.ʃən/
长单词——注意重音位置: aviation /ˌeɪ̯.viːˈeɪ̯.ʃən/, photography /fəˈtɑ.ɡɹə.fi/, confirmation /ˌkɑn.fəɹˈmeɪ.ʃən/, refinery /rɪˈfaɪnərɪ/, enthusiast /ɪnˈθuːziˌæst/

如何用这段视频练习

先完整听一遍视频，不要开口，记下不认识的单词。
先用 0.75 倍速逐句跟读，熟练之后再回到正常速度。
录下自己的声音并与原声对比，特别注意 pipeline, expand, pipe 这类单词。

视频中的语法

说话人最常用的结构，并附上视频中的原话：

结构	视频中的用法
被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的	was even built · has been expanded · being refuelled
现在完成时 have/has + 过去分词 — 过去发生但与现在仍有关联的事	has been expanded · have done

什么是跟读法？

跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。

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跟读练习: The secret underground pipeline across Britain - 通过视频学习英语口语

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