跟讀練習: What If We Cool Down the Sun? - 通過影片學習英語口語
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16 句
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1
Let's make the sun 30 % cooler.
2
Turning down the sun's heat makes it 75 % dimmer.
3
That's because hot objects lose their power much faster than temperature.
4
As it cools, the sun emits fewer photons.
5
These have longer wavelengths and less energy, turning our sun orangey -red.
6
The drop in solar power would be the least of our worries.
7
Plants usually feed on red and blue light, but this visible light gets weaker and the now dominant infrared light tends to bounce off.
8
Vegetation as we know it ceases to exist, with severe consequences for everything from insects to crops.
9
We could probably survive for a year or two before stockpiles ran out, but we'd freeze long before that.
10
Within a week, temperatures on the surface drop by around 10 degrees, though the oceans hold on to some stored heat.
11
But after a year, the average temperature falls well below zero,
12
Ice spreads from the poles and glaciers begin to form on almost every mountain range as the entire ocean surface freezes over.
13
And as ice and snow reflect more sunlight back into space than soil, it gets even colder.
14
Geothermal areas like
15
Iceland with 38 -degree thermal springs are now the only safe spots on this snowball Earth.
16
On the bright side, you'll never need another pair of shades.
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本課的詞彙與口語要點
這節口語課以影片“What If We Cool Down the Sun?”為素材。 這段影片共有 16 個句子、215 個單詞可供跟讀。 講話部分時長為 1:17。 說話人語速自然，每分鐘約 167 個詞，接近日常對話。 只有 80% 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 |
|---|---|---|
| freeze 動詞 | /ˈfɹiːz/ | 凍結 /凍結, 凍 /凍 |
| soil 名詞 | /sɔɪl/ | 土壤, 泥土 |
| reflect 動詞 | /ɹɪˈflɛkt/ | 反映, 反射 |
| visible 形容詞 | /ˈvɪzɪb(ə)l/ | 看得見 /看得見, 可看見的 /可看見的 |
| fewer | /ˈfjuː.ɚ/ | 較少 /較少, 更少 |
| dominant 形容詞 | /ˈdɑmənənt/ | 主要 |
| pole 名詞 | /pəʊl/ | 極 /極 |
| shade 名詞 | /ʃeɪd/ | 陰影 /陰影 |
| crop 名詞 | /kɹɑp/ | 作物 |
| consequence 名詞 | /ˈkɑn.sɪ.kwəns/ | 後果 /後果, 結果 /結果 |
| cease 動詞 | /sis/ | 停止, 停 |
| sunlight 名詞 | /ˈsʌnˌlaɪt/ | 陽光 /陽光, 日光 |
| vegetation 名詞 | /ˌvɛd͡ʒəˈteɪʃən/ | 植被, 草木 |
| insect 名詞 | /ˈɪn.sɛkt/ | 昆蟲 /昆蟲, 蟲子 /蟲子 |
| infrared 形容詞 | /ˌɪnfɹəˈɹɛd/ | 紅外 /紅外 |
影片中出現的短語動詞
| 單詞 | 釋義 |
|---|---|
| turn down 動詞 | 拒絕 /拒絕, 回絕 /回絕 |
影片中的語法
說話人最常用的結構，並附上影片中的原話：
| 結構 | 影片中的用法 |
|---|---|
| 比較級 -er than / more … than — 比較兩個事物 | faster than |
| “will” 表將來 will + 動詞 — 決定、承諾或預測 | you'll never need |
需要注意的發音
- “th” 音: thermal /ˈθɜːməl/, wavelength /ˈweɪvˌlɛŋ(k)θ/
- “sh” 和 “zh” 音: shade /ʃeɪd/, vegetation /ˌvɛd͡ʒəˈteɪʃən/, glacier /ˈɡleɪ.ʃɚ/
中文母語者容易讀錯的音：
- /v/ — 不要讀成 /w/，上齒輕觸下唇: visible /ˈvɪzɪb(ə)l/, vegetation /ˌvɛd͡ʒəˈteɪʃən/, wavelength /ˈweɪvˌlɛŋ(k)θ/
- 詞尾子音 — 要讀清楚，後面不要加母音: freeze /ˈfɹiːz/, reflect /ɹɪˈflɛkt/, dominant /ˈdɑmənənt/, shade /ʃeɪd/, crop /kɹɑp/
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 freeze, soil, reflect 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。