跟读练习: This is NOT a Dandelion. | Deep Look - 通过视频学习英语口语
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51 句
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1
Gardeners may wish these bright, playful blooms never existed.
2
This butterfly begs to differ.
3
So do these tiny insects called thrips foraging for pollen.
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And this finch, munching away on their seeds.
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You might think these are dandelions.
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But they're actually close relatives, called cats ears.
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They have furry leaves.
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Dandelions are smooth.
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Both are edible.
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Both create globes called clocks, full of seeds.
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The dandelions look a little tidier.
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These green filleries point up in cats' ears, snugly holding the flowers.
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In dandelions, some of them curl down.
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Cats' ears like company.
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Their stems branch out with multiple blooms.
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Dandelions, they like their space, growing just one on each stem.
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Both plants have a few secrets up their petals that explain why they're so successful.
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Catsears started out in Morocco, but have fanned out all around the world.
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All sorts of pollinators pitch in to help them do it.
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Bees love cat's ears, and dandelions, because instead of just one flower, each of these, called an inflorescence,
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is actually a cluster of tiny flowers, called florets.
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Each one has its own flower parts, like these curly stigmas.
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Every floret produces nectar that bees sip with their proboscis.
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And pollen to eat or carry away for their young.
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Don't mind if I do.
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Some of this pollen lands on a stigma.
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and fertilizes the ovules in the floret's ovaries.
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Each ovule will become a seed, dozens in each inflorescence.
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Dandelions don't even need pollen to reproduce.
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Their ovaries already have all the genetic material they need to turn into a seed.
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They clone themselves.
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And does this white tuft look familiar?
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It's a hint at the transformation to come.
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Once fertilized, a cat's ear inflorescence closes.
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It's putting all its energy into growing its seeds.
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Its petals wither and eventually fall off.
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The same happens for a dandelion.
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It gets ready for the big moment.
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It unfurls into an ethereal globe.
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Dozens of white tufts have extended out into the tiny parachutes we know.
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A single one is called a pappus.
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Each ready to take flight and deliver the seed hiding inside this dried ribbed fruit called a cypsula.
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The pappas acts like an open umbrella, good at catching the wind.
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Off they go, carrying their future and our wishes with them.
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Hi, it's Laura.
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I love bees, like honeybees and bumblebees. Do you?
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And do you like surveys?
48
Our partner PBS Digital Studios wants to hear from you.
49
You'll get to vote on a new series coming to PBS.
50
Link in the description.
51
Thanks.
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本课的词汇与口语要点
这节口语课以视频“This is NOT a Dandelion”为素材。 视频中反复出现的词有：dandelion, seed, ear, pollen, flower。 这段视频共有 51 个句子、425 个单词可供跟读。 讲话部分时长为 4:35。 说话人语速较慢，每分钟约 93 个词，你有足够的时间模仿每一个音。 只有 69% 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 |
|---|---|---|
| ear 名词 | /ˈɪə̯/ | 耳朵, 耳 |
| flower 名词 | /ˈfloʊɚ/ | хуа, хуар |
| seed 名词 | /siːd/ | 種子 /种子, 種 /种 |
| bee 名词 | /ˈbiː/ | мифыр, фыр |
| globe 名词 | /ɡloʊb/ | 地球儀 /地球仪 |
| stigma 名词 | /ˈstɪɡmə/ | 恥辱 /耻辱, 污名 |
| relative 名词 | /ˈɹɛl.ə.tɪv/ | 親戚 /亲戚 |
| smooth 形容词 | /smuːð/ | 平穩 /平稳, 順利 /顺利 |
| leaf 名词 | /lif/ | еезы, еер |
| transformation 名词 | /ˌtɹæns.fɔɹˈmeɪ.ʃən/ | 轉型 /转型, 轉變 /转变 |
| hint 名词 | /hɪnt/ | 暗示 |
| differ 动词 | /ˈdɪfɚ/ | 不同, 差別 /差别 |
| cluster 名词 | /ˈklʌstɚ/ | 串, 叢 /丛 |
| butterfly 名词 | /ˈbʌ.tə(ɹ).flaɪ/ | хўте, 蝶仔 |
| umbrella 名词 | /ʌmˈbɹɛl.ə/ | 傘 /伞, 雨傘 /雨伞 |
需要注意的发音
说话人用了 5 次缩略和弱读形式，例如 don't, they're, you'll。请按听到的简短形式来说。
- “th” 音: smooth /smuːð/, ethereal /ɪˈθɪɚ.i.əl/, wither /ˈwɪðɚ/
- “sh” 和 “zh” 音: transformation /ˌtɹæns.fɔɹˈmeɪ.ʃən/, parachute /ˈpæɹəʃut/
- 长单词——注意重音位置: transformation /ˌtɹæns.fɔɹˈmeɪ.ʃən/, dandelion /ˈdæn.dəˌlaɪ.ən/, inflorescence /ˌɪnfləˈɹɛsəns/, ethereal /ɪˈθɪɚ.i.əl/, pollinator /ˈpɒlɪˌneɪtə(ɹ)/
中文母语者容易读错的音：
- /v/ — 不要读成 /w/，上齿轻触下唇: relative /ˈɹɛl.ə.tɪv/, ovule /ˈɒvjuːl/
- 词尾辅音 — 要读清楚，后面不要加元音: seed /siːd/, globe /ɡloʊb/, relative /ˈɹɛl.ə.tɪv/, clock /klɑk/, pitch /pɪt͡ʃ/
- /r/ 和 /l/ 的区别: relative /ˈɹɛl.ə.tɪv/, butterfly /ˈbʌ.tə(ɹ).flaɪ/, umbrella /ʌmˈbɹɛl.ə/, curl /kɜɹl/, inflorescence /ˌɪnfləˈɹɛsəns/
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 ear, flower, seed 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。