跟读练习: TOEFL Listening Practice | Lecture | Wearable Computers - 通过视频学习英语口语
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66 句
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personal computers have become smaller yet increasingly more powerful today many daily
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Early activities involve mobile communication and computer access both in and outside the home.
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For some inventors, the next step is to integrate computers into accessories or into smart clothing, thus creating wearable computers.
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Martin Kelly reports.
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The concept of wearable computers is hardly innovative.
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Early attempts at manufacturing them produced clumsy results.
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The wearer had to wrap himself in wires
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or strap a strange -looking device to his forehead and carry a backpack of computer equipment.
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The technology didn't sell because in today's world, appearance is everything.
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However, today's wearable computers may provide the solution.
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Professor Tanya Carter is here to tell us more.
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Wearable technology is evolving so fast that it has become not only extremely convenient, but a fashion statement too. For example,
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handheld computers have been miniaturized enough to be strapped to the wrist like a watch not much larger than the average chronometer.
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Though limited in applications, it is only a matter of time before the watch has full computing capacity.
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This could eliminate the need to carry a laptop.
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And rather than attaching all kinds of objects to a jacket, researchers are creating state -of -the -art textiles with electronics built in.
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One such textile is composed of small patches of fabric into which minuscule computer chips have been embedded.
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These patches are assembled with Velcro that conducts electricity to create a purse similar in appearance to an ordinary leather purse.
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This purse provides you with information, such as the latest weather forecast.
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It can also keep track of your wallet via a minute radio signaling chip attached to the wallet.
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Sensors integrated into the purse's fabric transmit a message to alert you if the wallet is not inside.
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This purse even allows you to upload your favorite music onto your music player, which, incidentally, could soon be inside your scarf.
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I understand that scientists are creating accessories, but there are other innovations in the field of computer -integrated clothing, right?
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What kind of initiatives are underway to adapt wearable computers for use in fields like health and emergency services?
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Well, as monitors, wearable computers have many applications.
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For example, a smart armband registers data about the wearer's physical condition.
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It can help people lose weight by telling them how many calories they're burning at any given time during exercise.
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Doctors could also use it to monitor the well -being of the elderly and infants, too.
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One ingenious adaptation is a shirt made of a special fabric that has the capacity to analyze the wearer's heart rate,
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respiration, and other key health indicators.
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For example, it is being used today in medical research to examine the effectiveness of certain new heart treatments.
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And since it can measure stress levels and body heat,
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it could be used to monitor firefighters at a blaze or to allow a mother to check on her asthmatic child.
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Another wearable item
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that has proved remarkably helpful to runners who want to keep
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fit is a sensor embedded into the sole of their running shoes.
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The sensor relays information about the speed
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and the distance you've covered to your iPod
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and can change the music track to another song with a faster or slower tempo, thus encouraging you to accelerate your pace or reduce your speed.
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The sensor is invisible and the earphones are the same as the ones on a regular iPod.
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So fashion -wise, the wearer would not feel conspicuous.
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Obviously, as technology advances, so will the wearable computer.
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Ultimately, it could be a smart assistant that goes wherever we go, registering and analyzing data about us and our environment.
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Number 1.
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Why were the first wearable computers unsuccessful?
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Number two.
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What development has improved wearable computers?
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Number three.
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What is unusual about the new purse?
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Number 4.
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How have wearable computers helped medical research?
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Number 5.
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Why are wearable computers useful in fitness training?
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The wearer had to wrap himself in wires
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or strap a strange -looking device to his forehead and carry a backpack of computer equipment.
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The technology didn't sell because in today's world, appearance is everything.
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Wearable technology is evolving so fast that it has become not only extremely convenient, but a fashion statement too.
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It can also keep track of your wallet via a minute radio signaling chip attached to the wallet.
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Sensors integrated into the purse's fabric transmit a message to alert you if the wallet is not inside.
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For example, it is being used today in medical research to examine the effectiveness of certain new heart treatments.
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Another wearable item
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that has proved remarkably helpful to runners who want to keep
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fit is a sensor embedded into the sole of their running shoes.
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The sensor relays information about the speed and the distance you've covered to your iPod.
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Thank you.
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Thank you.
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本课的词汇与口语要点
这节口语课以视频“TOEFL Listening Practice”为素材。 视频中反复出现的词有：computer, wearable, sensor, wallet, purse。 这段视频共有 66 个句子、810 个单词可供跟读。 讲话部分时长为 8:04。 说话人语速较慢，每分钟约 100 个词，你有足够的时间模仿每一个音。 只有 74% 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 |
|---|---|---|
| sensor 名词 | /ˈsɛn.sɚ/ | 傳感器 /传感器 |
| wallet 名词 | /ˈwɑl.ət/ | 錢包 /钱包, 皮夾 /皮夹 |
| purse 名词 | /pɚs/ | 錢包 /钱包, 錢袋 /钱袋 |
| monitor 名词 | /ˈmɑ.nɪ.tɚ/ | 顯示器 /显示器 |
| chip 名词 | /t͡ʃɪp/ | 筹码 |
| strap 名词 | /stɹæp/ | 肩章 |
| attach 动词 | /əˈtæt͡ʃ/ | 附上, 附 |
| clothing 名词 | /ˈkloʊðɪŋ/ | 衣服, 衣裳 |
| helpful 形容词 | /ˈhɛlp.fl̩/ | 有幫助 /有帮助 |
| wire 名词 | /ˈwaɪɚ/ | 線 /线, 鐵絲 /铁丝 |
| alert 形容词 | /əˈlɝt/ | 警惕 |
| sole 名词 | /səʊl/ | 腳掌 /脚掌, 腳底 /脚底 |
| shoe 名词 | /ˈʃu/ | 鞋子, 鞋 |
| wrap 动词 | /ɹæp/ | 包裝 /包装, 包 |
| examine 动词 | /ɪɡˈzæmɪn/ | 检查, 调查 |
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 |
|---|---|
| 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 | have become · has become · have been miniaturized |
| 被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的 | have been miniaturized · is composed · are assembled |
需要注意的发音
说话人用了 5 次缩略和弱读形式，例如 didn't, you've, they're。请按听到的简短形式来说。
- “th” 音: clothing /ˈkloʊðɪŋ/, leather /ˈlɛðɚ/
- “sh” 和 “zh” 音: shoe /ˈʃu/, unusual /ʌnˈjuːʒ(u)əl/, initiative /ɪˈnɪʃ.ə.tɪv/, innovation /ˌɪn.əˈveɪ.ʃən/, adaptation /ˌæd.æpˈteɪ.ʃən/
- 长单词——注意重音位置: effectiveness /ɪˈfɛk.tɪv.nɪs/, remarkably /ɹɪˈmɑɹkəbli/, accessory /əkˈsɛs.(ə.)ɹi/, unusual /ʌnˈjuːʒ(u)əl/, electricity /ɪˌlɛkˈtɹɪsɪti/
中文母语者容易读错的音：
- /v/ — 不要读成 /w/，上齿轻触下唇: convenient /kənˈviː.niənt/, effectiveness /ɪˈfɛk.tɪv.nɪs/, evolve /ɪˈvɑlv/, initiative /ɪˈnɪʃ.ə.tɪv/, innovation /ˌɪn.əˈveɪ.ʃən/
- 词尾辅音 — 要读清楚，后面不要加元音: wallet /ˈwɑl.ət/, purse /pɚs/, fabric /ˈfæb.ɹɪk/, integrate /ˈɪn.tɪ.ɡɹeɪt/, chip /t͡ʃɪp/
- /r/ 和 /l/ 的区别: relay /ˈɹiːleɪ/, remarkably /ɹɪˈmɑɹkəbli/, electricity /ɪˌlɛkˈtɹɪsɪti/, electronics /ɪˌlɛkˈtɹɑ.nɪks/, accelerate /ɪkˈsɛl.əˌɹeɪt/
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。
- 用正常速度逐句跟读，每句重复到你的节奏与说话人一致为止。
- 录下自己的声音并与原声对比，特别注意 sensor, wallet, purse 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。