跟读练习: Study finds obesity risks can exist even with normal BMI - 通过视频学习英语口语
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13 句
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It is 626 in health news this morning.
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New research about the pediatric flu vaccine reaffirms what doctors already know.
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The vaccine is effective at reducing influenza cases.
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A study in JAMA pediatrics found for every 100 vaccinated children between 2 and 5 years old, there were up to 14 fewer cases.
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Researchers note that the study comes after the Trump administration's CDC stopped recommending the pediatric flu vaccine earlier this year.
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People who aren't considered obese by their body mass index may still have obesity -related health risks.
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A study in the Annals of Internal Medicine found 26 percent
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of adults with a normal BMI meet the criteria for clinical obesity, which puts a greater emphasis on stomach fat.
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Researchers say this definition can help identify more patients at risk for obesity -related complications.
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And different flavors of e -cigarettes in people who vape regularly can change thousands of genes in the body.
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Researchers from the University of Southern California found fruit -flavored flavors were linked to changes in 31 % of affected genes,
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while mint and menthol flavors were linked to just 0 .9%.
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More advanced vape devices were also linked to greater changes.
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本课的词汇与口语要点
这节口语课以视频“Study finds obesity risks can exist even with normal BMI”为素材。 视频中反复出现的词有：pediatric, flavors, obesity, vaccine, researchers。 这段视频共有 13 个句子、186 个单词可供跟读。 讲话部分时长为 1:19。 说话人语速平稳，每分钟约 141 个词，很适合跟读。 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 |
|---|---|---|
| flavor 名词 | /ˈfleɪvə/ | 味道, 味兒 /味儿 |
| vaccine 名词 | /vækˈsin/ | 疫苗 |
| researcher 名词 | /ˈɹiˌsɝ.t͡ʃɚ/ | 研究員 /研究员, 研究者 |
| obesity 名词 | /ə(ʊ)ˈbiːsɪti/ | 肥胖, 肥胖症 |
| gene 名词 | /d͡ʒiːn/ | 基因 |
| stomach 名词 | /ˈstʌmək/ | дўзы, 胃 |
| fewer | /ˈfjuː.ɚ/ | 較少 /较少, 更少 |
| emphasis 名词 | /ˈɛmfəsɪs/ | 強調 /强调 |
| cigarette 名词 | /ˈsɪɡəɹɛt/ | 香煙 /香烟, 紙煙 /纸烟 |
| mint 名词 | /mɪnt/ | 薄荷 |
| obese 形容词 | /oʊˈbis/ | 肥胖 |
| influenza 名词 | /ˌɪn.fluˈɛn.zə/ | 流行性感冒, 流感 |
| criterion 名词 | /kɹaɪˈtɪɹ.i.ən/ | 標準 /标准, 尺度 |
| menthol 名词 | /ˈmɛnθɒl/ | 薄荷醇 |
| pediatrics 名词 | /ˌpidiˈætɹɪks/ | 兒科 /儿科, 兒科學 /儿科学 |
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 | aren't considered · were linked · were also linked |
| 定语从句 who / which + 从句 — 补充说明人或事物 | People who aren · people who vape |
需要注意的发音
- 长单词——注意重音位置: obesity /ə(ʊ)ˈbiːsɪti/, pediatric /ˌpiːdiːˈætrɪk/, influenza /ˌɪn.fluˈɛn.zə/, complication /ˌkɑm.pləˈkeɪ.ʃən/, criterion /kɹaɪˈtɪɹ.i.ən/
中文母语者容易读错的音：
- /v/ — 不要读成 /w/，上齿轻触下唇: flavor /ˈfleɪvə/, vaccine /vækˈsin/, vape /veɪp/, vaccinate /ˈvæksɪneɪt/
- 词尾辅音 — 要读清楚，后面不要加元音: pediatric /ˌpiːdiːˈætrɪk/, stomach /ˈstʌmək/, emphasis /ˈɛmfəsɪs/, cigarette /ˈsɪɡəɹɛt/, mint /mɪnt/
- /æ/ — 嘴张大，不要读成 /e/: vaccine /vækˈsin/, pediatric /ˌpiːdiːˈætrɪk/, pediatrics /ˌpidiˈætɹɪks/, vaccinate /ˈvæksɪneɪt/
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 flavor, vaccine, researcher 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。