跟讀練習: Seminar Presentation: How Vaccines Train Your Immune System - 通過影片學習英語口語

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34 句
如果句子過短或過長，請點選 Edit 進行調整。
1
Right, let's begin. Priya, the floor is yours.
好，我們開始吧。Priya，請你來。
2
Thanks. Um, I'm a bit nervous, so bear with me.
謝謝。嗯，我有點緊張，請大家多包涵。
3
Today I'm going to explain how vaccines actually work.
今天我要講講疫苗到底是怎麼起作用的。
4
So, have you ever done a fire drill at school?
那麼，你們在學校參加過消防演習嗎？
5
Ha, loads of times. Usually in the rain.
哈，好多次了。還老是下雨天。
6
Exactly! Nobody's in danger, but everyone practises.
沒錯！沒有人有危險，但每個人都在練習。
7
Well, a vaccine is basically a fire drill for your body!
其實，疫苗基本上就是給身體做的一場消防演習！
8
Every germ carries tiny markers called antigens.
每種病菌身上都帶有一種叫抗原的微小標記。
9
A vaccine shows your body those markers,
疫苗會把這些標記展示給你的身體，
10
using a weakened germ, a dead one, or just a piece of it.
用的是減弱的病菌、滅活的病菌，或者只是它的一小部分。
11
So you get the practice, without the real illness.
這樣你就能練習，卻不用真的生病。
12
And then, your immune system gets to work!
然後，你的免疫系統就開始幹活了！
13
It makes antibodies that stick to the antigens,
它會製造能附著在抗原上的抗體，
14
and it creates something brilliant: memory cells!
還會產生一樣很厲害的東西：記憶細胞！
15
If the real germ turns up later, they recognise it fast.
以後真正的病菌一來，它們很快就能認出來。
16
Your body fights back before you even feel ill!
你還沒覺得不舒服，身體就已經反擊了！
17
Sorry, can I ask something?
不好意思，我能問個問題嗎？
18
Of course, go ahead.
當然，你問吧。
19
If memory cells last, why do we need boosters?
如果記憶細胞會一直在，為什麼還要打加強針？
20
Honestly, why do I need a flu jab every single year?
說真的，為什麼我每年都得打流感疫苗？
21
Hmm... good question. Let me think.
嗯……好問題。讓我想想。
22
Well, for some vaccines, the memory slowly fades.
嗯，有些疫苗留下的記憶會慢慢減弱。
23
A booster is just a reminder for your immune system.
加強針只是給免疫系統提個醒。
24
And flu viruses change their antigens all the time.
而且流感病毒總是在改變它們的抗原。
25
So last year's practice doesn't match this year's flu.
所以去年的演習對不上今年的流感。
26
Oh, that actually makes sense!
哦，這樣說還真有道理！
27
One last point: herd immunity.
最後一點：群體免疫。
28
When most people are protected, the germ can't spread easily.
當大多數人都受到保護時，病菌就不容易傳播。
29
That protects newborn babies, and people who can't have vaccines.
這能保護新生兒，以及無法接種疫苗的人。
30
So, that's it! Thank you for listening.
好，就是這些！謝謝大家。
31
Excellent, Priya! The fire drill idea worked really well.
太棒了，Priya！消防演習的比喻用得非常好。
32
Just slow down a little at the start.
只是開頭的時候稍微放慢一點。
33
Oh, thank you! Honestly, I was terrified.
哦，謝謝！說實話，我剛才嚇壞了。
34
You didn't look it. Well done!
完全看不出來。講得好！

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本課的詞彙與口語要點

這節 B2 級別的口語課以影片“Seminar Presentation: How Vaccines Train Your Immune System”為素材。 影片中反覆出現的詞有：vaccine, germ, antigens, flu, drill。 這段影片共有 34 個句子、280 個單詞可供跟讀。 講話部分時長為 2:08。 說話人語速平穩，每分鐘約 131 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

影片中最難的 12 個單詞，附發音和釋義：

單詞發音釋義
vaccine 名詞/vækˈsin/疫苗
germ 名詞/d͡ʒɝm/胚芽
antigen 名詞抗原
drill 名詞/dɹɪl/鑽 /鑽
booster 名詞/ˈbustɚ/助推器
antibody 名詞/ˈæn.tɪˌbɑ.di/抗體 /抗體
weaken 動詞/ˈwikən/削弱, 減弱 /減弱
practise 動詞/ˈpɹæktɪs/練習 /練習
newborn 名詞新生兒 /新生兒
fade 動詞/feɪd/衰落, 枯萎
immunity 名詞/ɪˈmjuːnəti/免疫, 免疫力
reminder 名詞/ɹɪˈmaɪndə(ɹ)/提醒物, 提醒

影片中出現的短語動詞

單詞發音釋義
go ahead 動詞/ˌɡoʊ əˈhɛd/請便 /請便
slow down 動詞減速 /減速, 放慢

值得反覆跟讀的句子

影片中簡短而完整的句子，可以直接用在日常對話裡：

  • Today I'm going to explain how vaccines actually work.
  • Sorry, can I ask something?
  • If memory cells last, why do we need boosters?
  • Honestly, why do I need a flu jab every single year?

需要注意的發音

說話人用了 6 次縮略和弱讀形式，例如 can't, I'm, didn't。請按聽到的簡短形式來說。

  • 長單詞——注意重音位置: antibody /ˈæn.tɪˌbɑ.di/, immunity /ɪˈmjuːnəti/

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: practise /ˈpɹæktɪs/, fade /feɪd/
  • /æ/ — 嘴張大，不要讀成 /e/: vaccine /vækˈsin/, antibody /ˈæn.tɪˌbɑ.di/, practise /ˈpɹæktɪs/

如何用這段影片練習

  1. 先完整聽一遍影片，不要開口，記下不認識的單詞。
  2. 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。
  3. 錄下自己的聲音並與原聲對比，特別注意 vaccine, germ, antigen 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。

影子跟讀法: 閱讀完整分步指南 →