跟讀練習: These Solar-Powered Carnivorous Flatworms Divide and Conquer | Deep Look - 通過影片學習英語口語
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64 句
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1
Those aren't cornflakes.
2
This rock is absolutely covered with tiny marine flatworms called acyles.
3
They're not just an animal.
4
They're also kind of a plant.
5
And they're practically immortal.
6
They use simple eyes called ocelli to seek out the sunniest spots on tropical coral reefs,
7
where they spread themselves out like beach blankets.
8
But they don't just lay around sunbathing all day.
9
Aseals are also skilled hunters.
10
They catch prey by engulfing them with their body and jamming them into their mouth.
11
You can see their meal trying in vain to escape.
12
Also, they don't have a butt.
13
Their poop just goes right back out through their mouth.
14
So you wouldn't want to kiss one.
15
They aren't just hunters.
16
These acyls are gardeners, too.
17
See those green dots?
18
Those are algae.
19
And those reddish cells belong to the acyl itself.
20
When the sun hits our flatworm friend, the algae inside produce sugars through photosynthesis.
21
This is a waste.
22
Researchers think they share those sugars with their host.
23
In return, the acyl provides its, um, waste, which is kind of like fertilizer for the algae.
24
And the acyl protects its houseguests.
25
Researchers think the acyls pack toxic chemicals in those reddish cells.
26
So predators tend to leave them alone.
27
Without its algae, the acyl would eventually die, even if it had plenty of prey to eat.
28
Scientists call a creature like this a Holobiant — a single being made up of two or more completely different species.
29
In this case, a solar -powered predator.
30
But that's not even the weirdest thing about them.
31
Researchers at Stanford University and the University of San Francisco are studying A -seals because of how they regenerate.
32
And to do that?
33
It'll be okay.
34
I promise.
35
You'd think getting cut in half would be a bad thing.
36
But within minutes, the wounded front half seals up.
37
In a couple days, it'll have a whole new tail. And the backside?
38
It doesn't just make a new head.
39
It makes two!
40
But it's hard to share one body with two heads.
41
So each half eventually pulls away from the other.
42
Where there was once one acyl, now there are three.
43
What seemed like a moment of doom was actually one of rebirth.
44
But they don't need the researcher's scalpel.
45
Aseals can drop their tail and clone themselves on their own.
46
The Aseal and its algae can multiply themselves like this over and over, indefinitely, making them functionally immortal.
47
Aseals can do this because they're packed with stem cells, which morph into any body part the Aseal needs to regrow.
48
And since they can't hunt until they grow new heads, they're extra reliant on the energy they get from their algae.
49
In these desperate times, the acyls even eat some of their algae.
50
Sorry.
51
Every relationship has its challenges.
52
But the acyl and its algae have a deal.
53
By taking advantage of each one's abilities, they're greater than the sum of their parts.
54
Hey, it's Laura.
55
Guess who else could be considered a holobiant?
56
You.
57
You've got a whole zoo of bacteria and other living things inside your gut that are vital to a healthy immune system, digestion, and even mood.
58
And if you want to keep
59
Deep Look healthy, support our show on Patreon.
60
For a very limited time, if you become a $10 a month Patreon supporter, you'll get a fabulous
61
Deep Look pint glass, and at $5 a month, a special Deep Look sticker.
62
We can't make these videos without you.
63
Join us on Patreon now.
64
Link in the description.
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本課的詞彙與口語要點
這節口語課以影片“These Solar-Powered Carnivorous Flatworms Divide and Conquer”為素材。 影片中反覆出現的詞有：acyl, algae, Aseal, Patreon, researchers。 這段影片共有 64 個句子、591 個單詞可供跟讀。 講話部分時長為 5:03。 說話人語速平穩，每分鐘約 117 個詞，很適合跟讀。 只有 76% 的單詞屬於英語最常用的 3,000 詞，詞彙難度較高。
影片中的重點詞彙
影片中 15 個值得學習的單詞，附發音和釋義：
| 單詞 | 發音 | 釋義 |
|---|---|---|
| researcher 名詞 | /ˈɹiˌsɝ.t͡ʃɚ/ | 研究員 /研究員, 研究者 |
| hunter 名詞 | /ˈhʌntɚ/ | 獵犬 /獵犬 |
| tail 名詞 | /ˈteɪ̯l/ | йиба, 尾 |
| seal 名詞 | /siːl/ | 印章, 圖章 /圖章 |
| prey 名詞 | /pɹeɪ/ | 獵物 /獵物 |
| immortal 形容詞 | /ɪˈmɔɹtəl/ | 不朽的 |
| predator 名詞 | /ˈpɹɛd.ə.tɚ/ | 掠食者, 天敵 /天敵 |
| meal 名詞 | /ˈmiːl/ | 餐, 飯 /飯 |
| mood 名詞 | /muːd/ | 心情, 情緒 /情緒 |
| skill 名詞 | /skɪl/ | 技巧, 技能 |
| belong 動詞 | /bɪˈlɒŋ/ | 屬於 /屬於 |
| vital 形容詞 | /ˈvaɪtəl/ | 生命的 |
| desperate 形容詞 | /ˈdɛs.p(ə.)ɹɪt/ | 絕望 /絕望 |
| butt 名詞 | /bʌt/ | 自身 |
| toxic 形容詞 | /ˈtɒk.sɪk/ | 有毒的 |
需要注意的發音
說話人用了 20 次縮略和弱讀形式，例如 they're, don't, aren't。請按聽到的簡短形式來說。
- “th” 音: photosynthesis /ˌfoʊ.toʊˈsɪn.θə.sɪs/, rebirth /ɹiːˈbɜːθ/, sunbathe /ˈsʌnbeɪð/
- 長單詞——注意重音位置: practically /ˈpɹæk.tɪ.k(ə.)li/, indefinitely /ɪnˈdɛfɪnɪtli/, photosynthesis /ˌfoʊ.toʊˈsɪn.θə.sɪs/, regenerate /ɹiːˈd͡ʒɛnəɹeɪt/
中文母語者容易讀錯的音：
- /v/ — 不要讀成 /w/，上齒輕觸下唇: vital /ˈvaɪtəl/, vain /veɪn/
- 詞尾子音 — 要讀清楚，後面不要加母音: mood /muːd/, desperate /ˈdɛs.p(ə.)ɹɪt/, butt /bʌt/, toxic /ˈtɒk.sɪk/, wound /ˈwund/
- /r/ 和 /l/ 的區別: immortal /ɪˈmɔɹtəl/, practically /ˈpɹæk.tɪ.k(ə.)li/, tropical /ˈtɹɑ.pɪ.kəl/, coral /ˈkɔɹəl/, flatworm /ˈflæt.wəɹm/
如何用這段影片練習
- 先完整聽一遍影片，不要開口，記下不認識的單詞。
- 用正常速度逐句跟讀，每句重複到你的節奏與說話人一致為止。
- 錄下自己的聲音並與原聲對比，特別注意 researcher, hunter, tail 這類單詞。
什麼是跟讀法？
跟讀法 (Shadowing) 是一種有科學依據的語言學習技巧，最初開發用於專業口譯員的培訓，並由多語言者Alexander Arguelles博士普及。這個方法簡單而強大：您在聽英語母語原聲的同時立即大聲重複——就像是一個延遲1-2秒緊跟說話者的影子。與被動聽力或語法練習不同，跟讀法強迫您的大腦和口腔肌肉同時處理並模模擬實的講話模式。研究表明它能顯著提高發音準確性，語調，節奏，連讀，聽力理解和口語流利度——使其成為雅思口語備考和真實英語交流最有效的方法之一。