シャドーイング練習: Why High Tech Cars Might Age Like Smartphones - 動画で英語スピーキングを学ぶ

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Tesla, Rivian, lucid and many rising Chinese car brands all share something in common their vehicles are built around software.

The advantage that Tesla has in software and in data is unparalleled compared to peers.

That gives companies the power to fix problems remotely and add features that can make an old car feel new. And those who build these cars say nothing can compete with that.

This is absolutely probably one of the biggest inflection points in the history of automotive, which I deeply believe that it will completely redefine brands loyalty for the future in North America and beyond.

But these vehicles are complex.

Repairing them requires new tools, skills, and access to data, and some in the industry feel software defined vehicles will age more like smartphones than fine classics.

We're already seeing problems with hardware not being able to deal with new software.

We honestly don't know how long these these vehicles will last.

CNBC talked to key figures in the industry to see what they have to say about how long a software driven car can run on the road.

A software defined vehicle is really a vehicle which is no longer stale in time.

It's a vehicle which continues to improve over time through over-the-air updates.

Automakers have been adding computers to cars for decades, but historically they've been simple and scattered throughout the vehicle. Companies like Tesla and Rivian streamlined a lot of that hardware and connected it all through software, which in turn can be updated over the air.

This opens up a lot of new possibilities.

When Consumer Reports refused to recommend the Tesla Model three because the car performed poorly in braking tests, Tesla said it could adjust the brakes through a software update, and it did, securing the recommendation.

Rivian is used updates to add new drive modes, improve ride quality, and introduce an AI assistant, among other things.

We're able to update the entire brain of the car.

Legacy automakers are also beginning to take this approach.

As you pull up to your house and the software updates on its own over the air, we're going to see that more and more and rely less and less on the regular maintenance of going to the mechanic.

But that software, the brain of the vehicle, as Ben said, calls it, needs to be maintained.

And some wonder how long companies can afford to do that for any given car.

Then there is the hardware challenge.

It needs to be capable of handling software updates over the course of several years.

The average age of a vehicle on US roads is nearly 13 years, a record.

Many last much longer than that.

The life cycles of devices like smartphones pose the question of how long vehicle hardware can handle these updates.

There's going to be functions that you can't get updated because the hardware.

The rest of the hardware on the vehicle just doesn't support it. And it's not necessarily economically viable to update all that hardware.

In Tesla's case, this appears to have happened despite expectations.

Tesla said in 2016 that every vehicle then being produced had the hardware needed for full self-driving, and Musk reaffirmed in 2019 that Tesla's Hardware three computer would support it.

But by 2026.

Unfortunately, hardware three.

I wish it were otherwise, but hardware three simply does not have the capability to achieve unsupervised FSD.

Tesla said qualifying customers could receive either a hardware upgrade or a discounted trade in.

Nevertheless, companies are trying to build in space for potential upgrades.

We like to set a duration in time, which is we will continue to improving the car through new features from 7 to 10 years.

We model that based on the average ownership duration in the United States, but it's really important to note that post this period, the car will be fully functional and if there is any security safety update which is necessary.

We as a brand are fully committed to continue those updates. It will just be a non software defined car in the sense that it will not keep improving over time through new features.

Your vehicle will stay fully functional, fully safe, whatever the duration of the ownership is.

And for many owners that might be good enough.

Just keep the car running.

Not getting updates is not the end of the world.

The car in my garage is 36 years old now.

It was not updatable from the time it was built.

You know, it's never it's never had an update and it still runs great.

But even a vehicle not receiving software upgrades will still have to be maintained and fixed.

Rivian doesn't have a dealership network, but it has service centers, a mobile service fleet, and certified third party shops, a collection of independent repair shops, aftermarket suppliers, customers and others want to go further.

The right to repair movement has spread across an array of industries including electronics, farm equipment and automotive.

Broadly, it's the idea that people should be able to repair the things they own or seek out mechanics or technicians of their choice.

So-called right to repair laws are spreading.

This is actually a topic which is really dear to to my heart, one of the upcoming updates that we will have is actually to unblock what we call the service menu within the car and really allow our owners to perform more actions, uh, in line with the right to repair regulations.

But then we want to go even above and beyond that and really allow that possibility for owners within the car to perform a full diagnostic check using our AI assistant, using the on screen menus, and then perform some of the basic repairs.

When those vehicles become classics, how are they going to be maintained? And will there be this undercurrent of of tech bros who decide our job is going to be to fix a Fisker and make sure it continues to run going forward so that classic cars still remain a thing beyond 1930s Duesenbergs.

That's going to be the hard part is the potential for somebody to come up with a an AutoZone of software.

After support ends for a particular software platform. It's not unreasonable to have an expectation that the manufacturers should release that software so that if somebody wants to continue to update it, wants to make changes to it, they can do that. I think that would go a long way to addressing some of the concerns that people have.

I'm more optimistic than I used to be.

There are Toyota pickups that have run for a million miles. Software defined vehicles may beat their more analog rivals on many metrics.

Time will tell if they can beat them on this one.

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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B2レベルのスピーキングレッスンは、動画「Why High Tech Cars Might Age Like Smartphones」を教材にしています。繰り返し出てくる語は次のとおりです：vehicle, software, update, hardware, Tesla。この動画には、シャドーイング用の文が57文、単語が1139語あります。音声の長さは7:08です。話す速さは1分あたり約160語で、日常会話に近い自然なペースです。単語の84%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。

この動画の重要語彙

動画の中で特に難しい単語15語を、発音と意味つきで紹介します。

単語	発音	意味
duration 名詞	/dʒʊˈɹeɪ.ʃən/	期間, 存続
mechanic 名詞	/mɪˈkænɪk/	修理工, 自動車整備士
brake 名詞	/bɹeɪk/	ブレーキ, 制動機
expectation 名詞	/ˌɛk.spɛkˈteɪ.ʃən/	期待, 予想
smartphone 名詞	/ˈsmɑɹtfoʊn/	スマートフォン, スマートホン
certify 動詞	/ˈsɜː.tɪ.faɪ/	認証する
inflection 名詞	/ɪnˈflɛkʃən/	語形変化
scatter 動詞	/ˈskætɚ/	散る, 散らばる
technician 名詞	/tɛkˈnɪʃən/	技術者, テクニシャン
analog 形容詞	/ˈænəlɔɡ/	アナログ
supplier 名詞	/səˈplaɪə/	サプライヤー, 供給者
optimistic 形容詞	/ˌɒptɪˈmɪstɪk/	楽観的
viable 形容詞	/ˈvaɪəbəl/	生きられる, 生き残れる
capability 名詞	/ˌkeɪ.pəˈbɪl.ɪ.ti/	能力
adjust 動詞	/əˈd͡ʒʌst/	調整する

この動画の文法

話し手がよく使っている文型を、動画の実際の表現とともに紹介します。

文型	動画での表現
受動態 be + 過去分詞 — 誰がするかより、何が起きるかに焦点を当てる	are built · is unparalleled · can be updated
関係詞節 who / which + 節 — 人や物について情報を加える	those who build · vehicle which is · time, which is
現在完了形 have/has + 過去分詞 — 過去の出来事が今も関係している	they've been · has spread · have run

注意したい発音

話し手はwe're, doesn't, can'tなど、短縮形や弱形を9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。

「sh」と「zh」の音: duration /dʒʊˈɹeɪ.ʃən/, expectation /ˌɛk.spɛkˈteɪ.ʃən/, dealership /ˈdiːləʃɪp/, inflection /ɪnˈflɛkʃən/, technician /tɛkˈnɪʃən/
長い単語（アクセントの位置に注意）: automotive /ˌɔtəˈmoʊtɪv/, expectation /ˌɛk.spɛkˈteɪ.ʃən/, undercurrent /ˈʌndɚˌkʌɹənt/, unreasonable /ʌnˈɹiːz.(ə)nə.bl̩/, economically /ˌiː.kəˈnɒm.ɪ.kli/

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: streamline /ˈstriːmlaɪn/, unreasonable /ʌnˈɹiːz.(ə)nə.bl̩/, remotely /ɹɪˈmoʊtli/, broadly /ˈbɹɔːdli/, historically /hɪˈstɔɹɪkli/
/v/ — /b/ にならないように、上の歯を下唇に当てる: automotive /ˌɔtəˈmoʊtɪv/, viable /ˈvaɪəbəl/, rival /ˈɹaɪvəl/
/f/ — 「フ」ではなく、上の歯と下唇で出す: smartphone /ˈsmɑɹtfoʊn/, certify /ˈsɜː.tɪ.faɪ/, inflection /ɪnˈflɛkʃən/, reaffirm /ɹiːəˈfɜːm/, qualify /ˈkwɑ.lɪ.faɪ/

この動画での練習方法

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。
まず0.75倍速で一文ずつシャドーイングし、慣れてきたら通常の速度に戻します。
自分の声を録音して元の音声と比べます。duration, mechanic, brake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 →

シャドーイング練習: Why High Tech Cars Might Age Like Smartphones - 動画で英語スピーキングを学ぶ

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