跟讀練習: The First Principles Method Explained by Elon Musk - 通過影片學習英語口語
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33 句
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1
And then I think it's also important to reason from first principles rather than by analogy.
2
So the normal way that we conduct our lives is we reason by analogy.
3
We're doing this because it's like something else that was done, or it's like what other people are doing.
4
Me too type ideas.
5
Yeah, slight iterations on a theme and it's kind of mentally easier to reason by analogy rather than from first principles.
6
But first principles is kind of a physics way of looking at the world.
7
And what that really means is you kind of boil things down to the most fundamental truths and say, okay, what are we sure is true or as sure as possible is true?
8
And then reason up from there.
9
That takes a lot more mental energy.
10
Give me an example of that.
11
Like what's one thing that you've done that on that feels worked for you?
12
Sure.
13
So somebody could say, and in fact people do, that battery packs are really expensive and that's just the way they'll always be.
14
Because that's the way they've been in the past.
15
You're like, well, no, that's pretty dumb pretty dumb, you know, because if you applied that reasoning to anything new,
16
then you wouldn't be able to ever get to that new thing.
17
Right.
18
So, you know, it's like you can't say, oh, you know, horses,
19
nobody wants a car because horses are great and we're used to them
20
and they can eat grass and there's lots of grass all over the place and, you know, there's not like a, there's no gasoline that people can buy, so people are never going to get cars.
21
Right.
22
that people did say that.
23
And for batteries, they would say, oh, it's going to cost,
24
you know, historically it's cost $600 per kilowatt hour.
25
And so it's not going to be much better than that in the future.
26
And you say, no, okay, what are the batteries made of?
27
So the first principles would be to say, okay, what are the material constituents of the batteries?
28
What is the spot market value of the material constituents?
29
So you can say, okay, it's got cobalt, nickel, aluminum, carbon, and some polymers for separation, and a seal can.
30
So break that down on a material basis and say, okay, if we bought that in London Metal Exchange, what would each of those things cost?
31
Like, oh, geez, it's like $80 per kilowatt hour.
32
So clearly you just need to think of clever ways to take those materials
33
and combine them into the shape of a battery cell and you can have batteries that are much, much cheaper than anyone realizes.
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本課的詞彙與口語要點
這節 C1 級別的口語課以影片“The First Principles Method Explained by Elon Musk”為素材。 影片中反覆出現的詞有：batteries, principles, material, analogy, cost。 這段影片共有 33 個句子、449 個單詞可供跟讀。 講話部分時長為 2:48。 說話人語速自然，每分鐘約 160 個詞，接近日常對話。 89% 的單詞屬於英語最常用的 3,000 詞，其餘的詞建議在練習前先學一下。 全部 33 個句子中有 6 個是問句，適合練習疑問語調和簡短回答。
影片中的重點詞彙
影片中最難的 15 個單詞，附發音和釋義：
| 單詞 | 發音 | 釋義 |
|---|---|---|
| principle 名詞 | /ˈpɹɪn.sɪ.pəl/ | 原理, 原則 /原則 |
| analogy 名詞 | /əˈnæləd͡ʒi/ | 類推 /類推, 類比 /類比 |
| grass 名詞 | /ɡɹɑːs/ | цо, 草 |
| physics 名詞 | /ˈfɪz.ɪks/ | 物理學 /物理學 |
| fundamental 形容詞 | /ˌfʌn.dəˈmɛn.təl/ | 基本 |
| seal 名詞 | /siːl/ | 印章, 圖章 /圖章 |
| slight 形容詞 | /slaɪt/ | 輕微的 /輕微的 |
| mentally 副詞 | /ˈmɛntəli/ | 心理上, 精神上 |
| combine 動詞 | /kəmˈbaɪn/ | 結合 /結合, 組合 /組合 |
| separation 名詞 | /ˌsɛp.əˈɹeɪ.ʃən/ | 分割, 分離 /分離 |
| gasoline 名詞 | /ˈɡæs.ə.liːn/ | 汽油 |
| boil 動詞 | /bɔɪ(ə)l/ | 煮沸, 煮 |
| nickel 名詞 | /ˈnɪk.əl/ | 鎳 /鎳 |
| polymer 名詞 | /ˈpɑ.lɪ.mɚ/ | 聚合體 /聚合體 |
| kilowatt 名詞 | /ˈkɪ.ləˌwɒt/ | 千瓦 |
需要注意的發音
說話人用了 8 次縮略和弱讀形式，例如 we're, can't, they'll。請按聽到的簡短形式來說。
- “sh” 和 “zh” 音: separation /ˌsɛp.əˈɹeɪ.ʃən/, iteration /ˌɪt.əˈɹeɪ.ʃən/
- 長單詞——注意重音位置: analogy /əˈnæləd͡ʒi/, fundamental /ˌfʌn.dəˈmɛn.təl/, separation /ˌsɛp.əˈɹeɪ.ʃən/, historically /hɪˈstɔɹɪkli/, aluminum /əˈlu.mɪ.nəm/
中文母語者容易讀錯的音：
- 詞尾子音 — 要讀清楚，後面不要加母音: grass /ɡɹɑːs/, constituent /kənˈstɪtjuənt/, physics /ˈfɪz.ɪks/, slight /slaɪt/, kilowatt /ˈkɪ.ləˌwɒt/
- /r/ 和 /l/ 的區別: principle /ˈpɹɪn.sɪ.pəl/, historically /hɪˈstɔɹɪkli/
- /æ/ — 嘴張大，不要讀成 /e/: analogy /əˈnæləd͡ʒi/, gasoline /ˈɡæs.ə.liːn/
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。
- 先用 0.75 倍速逐句跟讀，熟練之後再回到正常速度。
- 錄下自己的聲音並與原聲對比，特別注意 principle, analogy, grass 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。