シャドーイング練習: Class Presentation: Microplastics — Where Does Our Plastic Go? - 動画で英語スピーキングを学ぶ

レッスンを作成中...
1
Okay, everyone, eyes to the front, please.
2
Maya is presenting her science project today!
3
Um, thanks, Ms. Lopez. Okay... here goes.
4
So, today I'm going to talk about microplastics.
5
Let me start with this plastic bottle.
6
We only use it for ten minutes, right?
7
But it can stay around for hundreds of years.
8
It doesn't really disappear. It just breaks into smaller pieces.
9
Pieces smaller than five millimeters are called microplastics.
10
Now, look at this jar of sand from our local beach.
11
It looks clean, doesn't it?
12
Well, I found tiny blue and white bits in it!
13
Wait, seriously? That's from our beach?
14
Yep! I collected it myself last weekend.
15
So, where does all this plastic go?
16
Some of it washes into rivers and then the ocean.
17
Sadly, fish and other sea animals eat it by mistake.
18
And scientists have even found them in our drinking water.
19
Hmm, can I ask something?
20
If it's everywhere already, is recycling pointless?
21
Good question! No, it's not pointless at all.
22
Actually, only about nine percent of plastic ever gets recycled.
23
So recycling helps, but using less plastic helps more.
24
Huh, that low? I had no idea.
25
So, here's the good news!
26
Bring a reusable bottle, like this one.
27
Say no to plastic straws and bags.
28
And if you do use plastic, recycle it properly.
29
Small changes really add up. Thank you!
30
Wow, great job, Maya!
31
Bringing the jar of sand was such a smart idea.
32
Next time, just slow down a little at the start.
33
Ha, I will. I was so nervous!
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このレッスンの語彙とスピーキングのポイント

このB1レベルのスピーキングレッスンは、動画「Class Presentation: Microplastics — Where Does Our Plastic Go?」を教材にしています。 この動画には、シャドーイング用の文が33文、単語が259語あります。 音声の長さは1:57です。 話す速さは1分あたり約133語で安定しており、シャドーイングしやすいペースです。 単語の83%は英語の頻出3,000語に含まれます。残りは練習の前に確認しておきましょう。 全33文のうち8文が疑問文なので、疑問文のイントネーションや短い受け答えの練習に向いています。

この動画の重要語彙

動画の中で特に難しい単語14語を、発音と意味つきで紹介します。

単語発音意味
sand 名詞/sænd/砂
wash 動詞/wɑʃ/洗う
collect 動詞/ˈkɑlɪkt/集める, 収集する
scientist 名詞/ˈsaɪəntəst/科学者
disappear 動詞/dɪsəˈpɪɹ/消える
straw 名詞/stɹɔ/藁, ワラ
recycle 動詞/ɹəˈsaɪkəl/再生する, リサイクルする
microplastic 名詞マイクロプラスチック
plastic 名詞/ˈplæstɪk/プラスチック, プラ
bottle 名詞/ˈbɒt.l̩/瓶
mistake 名詞/mɪˈsteɪk/間違い, 過ち
everywhere 副詞/ˈɛv.ɹi.(h)wɛɹ/どこでも
properly 副詞/ˈpɹɑpɚli/適切に
tiny 形容詞/ˈtaɪni/ちっぽけな, 小さい

動画に出てくる句動詞

単語意味
slow down 動詞遅らせる

繰り返し練習したい文

動画に出てくる短く完結した文です。日常会話でそのまま使えます。

  • It looks clean, doesn't it?
  • That's from our beach?
  • Hmm, can I ask something?
  • If it's everywhere already, is recycling pointless?

注意したい発音

話し手はdoesn't, I'mなど、短縮形や弱形を3回使っています。聞こえたとおりの短い形で発音しましょう。

日本語話者が苦手な音：

  • /r/ と /l/ の区別 — /l/ は舌先を歯茎につけ、/r/ はどこにもつけない: recycle /ɹəˈsaɪkəl/, properly /ˈpɹɑpɚli/
  • 子音の連続 — 間に母音を入れない: sand /sænd/, pointless /ˈpɔɪntləs/, collect /ˈkɑlɪkt/, scientist /ˈsaɪəntəst/, straw /stɹɔ/

この動画での練習方法

  1. まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
  2. 通常の速度で一文ずつシャドーイングし、話し手のリズムに合うまで繰り返します。
  3. 自分の声を録音して元の音声と比べます。sand, wash, collectなどの単語に特に注意しましょう。

シャドーイングとは？英語上達に効果的な理由

シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。

シャドーイングのやり方: ステップ別の完全ガイドを読む →