跟讀練習: Bill Gates - Population - Vaccines - 通過影片學習英語口語
選擇練習模式
每種模式都會開啟全屏練習室。
12 句
如果句子過短或過長，請點選 Edit 進行調整。
1
This equation has four factors, a little bit of multiplication.
這個方程式有四個因子，還包含一點乘法運算。
2
So you've got a thing on the left, CO2, that you want to get to zero.
左邊有一個指標，也就是二氧化碳，你們希望將其降至零。
3
And that's going to be based on the number of people, the services each person's using on average, the energy on average for each service,
這將取決於使用者數量、平均每人使用的服務數量，以及每項服務的平均能耗。
4
and the CO2 being put out per unit of energy.
以及單位能量所產生的二氧化碳排放量。
5
So let's look at each one of these and see how we can get this down to zero.
那麼我們來逐一分析這些情況，看看怎樣才能把這個數值降到零。
6
Probably one of these numbers is going to have to get pretty near to zero.
這些數字中很可能有一個會變得非常接近於零。
7
That's back from high school algebra.
這是高中代數的內容了。
8
But let's take a look.
但我們不妨來看一下。
9
First, we've got population.
首先是人口因素。
10
The world today has 6.8 billion people.
當今世界人口已達68億。
11
That's headed up to about 9 billion.
這一數字將攀升至約90億。
12
Now, if we do a really great job on new vaccines, healthcare, reproductive health services, we could lower that by perhaps 10 or 15%.
現在，如果我們在新疫苗、醫療保健和生殖健康服務方面做得非常出色，我們或許可以將這一數字降低10%或15%。
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Vocabulary and speaking notes for this lesson
This B2 speaking lesson is built on the video “Bill Gates - Population - Vaccines”. This video has 12 sentences and 143 words to shadow. The speech runs for 0:52. The speaker talks at a natural 163 words per minute, close to everyday conversation.
Key vocabulary in this video
The 8 most advanced words in the video, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| equation noun | /ɪˈkweɪ.ʒən/ | The act or process of equating two or more things, or the state of those things being equal (that is, identical). |
| vaccine noun | /vækˈsin/ | A substance given to stimulate a body's production of antibodies and provide immunity against a disease without causing the disease itself in the treatment… |
| reproductive adjective | /ˌɹiːpɹəˈdʌktɪv/ | Of or relating to reproduction. |
| algebra noun | /ˈæl.d͡ʒɪ.bɹə/ | Elementary algebra: A system for representing and manipulating unknown quantities (variables) in equations. |
| multiplication noun | /ˌmʌltɪplɪˈkeɪʃən/ | The process of computing the sum of an addition with one and the same number a specified number of times (i.e. 4 times 5 = [0 +] 5 + 5 + 5 + 5 = 20) or any… |
| zero noun | /ˈzɪɹoʊ/ | The numeric symbol that represents the cardinal number zero. |
| factor noun | /ˈfæk.tɚ/ | An agent or representative; a reseller or distributor (sometimes with a private label); a consignee. |
| unit noun | /ˈjuː.nɪt/ | Oneness, singularity, seen as a component of a whole number; a magnitude of one. |
Phrasal verbs you will hear
| Word | Meaning |
|---|---|
| put out verb | To blind (eyes). |
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 |
|---|---|
| 被動語態 be + 過去分詞 — 強調發生了什麼，而不是誰做的 | be based · being put |
Pronunciation to watch
- The “sh” and “zh” sounds: equation /ɪˈkweɪ.ʒən/, multiplication /ˌmʌltɪplɪˈkeɪʃən/
- Long words — get the stress right: reproductive /ˌɹiːpɹəˈdʌktɪv/, multiplication /ˌmʌltɪplɪˈkeɪʃən/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
- Record yourself and compare with the original, paying attention to words like equation, vaccine, reproductive.
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。