跟读练习: How Chicken Heads Stopped Rabies - 通过视频学习英语口语

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21 句
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1
Chicken heads dropping from the sky.
2
What's that about?
3
Since the 1930s, a rabies epidemic had been sweeping across wildlife populations in Europe.
4
This was bad news, since rabies can spread to pets and then to humans.
5
It attacks the brain and leads to symptoms like confusion, aggression and paralysis.
6
Once you got it back then, the infection was 100 % deadly.
7
The epidemic had to be stopped.
8
The main carriers of the virus were red foxes, which were now hunted excessively either with rifles or by releasing poisonous gas into their burrows.
9
But it soon became clear that this was counterproductive.
10
Hunting caused the fox populations to migrate, spreading the virus even further.
11
Catching foxes alive and vaccinating them one by one proved too slow and expensive.
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Finally, in 1978, a somewhat bonkers idea was tested.
13
Blisters filled with the vaccine were put into thousands of chicken heads that were left over from slaughterhouses.
14
They were then tossed onto pathways and roadsides and dropped from helicopters in areas that were more difficult to access.
15
The method worked.
16
Up until 1991, vaccinated chicken heads were distributed in Europe over a total area larger than 330 ,000 football fields.
17
And as chicken heads dropped, so did the numbers for rabies cases in Europe.
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Since the early 90s, several countries have even been declared rabies -free.
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The method is still use today.
20
In 2021, rabies vaccine baits intended for raccoons were dropped from helicopters over Cape Cod,
21
although nowadays, industrially manufactured baits are used instead of chicken heads, which works but is way less interesting than foxes munching on

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本课的词汇与口语要点

这节口语课以视频“How Chicken Heads Stopped Rabies”为素材。 视频中反复出现的词有：rabies, chicken, heads, foxes, dropped。 这段视频共有 21 个句子、260 个单词可供跟读。 讲话部分时长为 1:35。 说话人语速自然，每分钟约 164 个词，接近日常对话。 只有 75% 的单词属于英语最常用的 3,000 词，词汇难度较高。

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
virus 名词/ˈvaɪ.ɹəs/病毒
helicopter 名词/ˈheliːˌkɔptə(ɹ)/直升機 /直昇機 /直升机
vaccine 名词/vækˈsin/疫苗
bait 名词/beɪt/誘餌 /诱饵, 魚餌 /鱼饵
epidemic 名词/ˌɛpɪˈdɛmɪk/流行病, 瘟疫
pet 名词/pɛt/寵物 /宠物
infection 名词/ɪnˈfɛkʃən/傳染 /传染
wildlife 名词/ˈwaɪldlaɪf/野生動物 /野生动物, 野生生物
carrier 名词/ˈkæɹi.ɚ/攜帶者 /携带者
confusion 名词/kənˈfjuːʒən/混亂 /混乱
rifle 名词/ˈɹaɪfəl/步槍 /步枪, 來福槍 /来福枪
nowadays 副词/ˈnaʊ.ə.deɪz/現在 /现在, 現今 /现今
intend 动词/ɪnˈtɛnd/打算, 想要
declare 动词/dɪˈklɛɚ/宣布
sweep 动词/swiːp/打掃 /打扫, 掃 /扫

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be stopped · were now hunted · was tested
比较级 -er than / more … than — 比较两个事物larger than · less interesting than

需要注意的发音

  • “sh” 和 “zh” 音: infection /ɪnˈfɛkʃən/, confusion /kənˈfjuːʒən/, aggression /əˈɡɹɛʃən/
  • 长单词——注意重音位置: helicopter /ˈheliːˌkɔptə(ɹ)/, epidemic /ˌɛpɪˈdɛmɪk/, counterproductive /ˌkaʊntəpɹəˈdʌktɪv/, excessively /ɪkˈsɛsɪvli/, industrially /ɪnˈdʌs.tɹɪ.ə.li/

中文母语者容易读错的音：

  • /v/ — 不要读成 /w/，上齿轻触下唇: virus /ˈvaɪ.ɹəs/, vaccine /vækˈsin/, vaccinate /ˈvæksɪneɪt/, counterproductive /ˌkaʊntəpɹəˈdʌktɪv/, excessively /ɪkˈsɛsɪvli/
  • 词尾辅音 — 要读清楚，后面不要加元音: virus /ˈvaɪ.ɹəs/, bait /beɪt/, epidemic /ˌɛpɪˈdɛmɪk/, pet /pɛt/, wildlife /ˈwaɪldlaɪf/
  • /r/ 和 /l/ 的区别: helicopter /ˈheliːˌkɔptə(ɹ)/, rifle /ˈɹaɪfəl/, industrially /ɪnˈdʌs.tɹɪ.ə.li/, paralysis /pəˈɹæləsəs/, slaughterhouse /ˈsloː.tə(ɹ).haʊs/

如何用这段视频练习

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

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。

影子跟读法: 阅读完整分步指南 →