跟读练习: Defining a Problem: Crash Course Kids #18.1 - 通过视频学习英语口语
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Problems.
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We've all got them.
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You, me, T -Swift, Tony Stark.
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Some problems, like forgetting to do your homework, might seem like a pretty big deal to you.
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But when you compare them to other, bigger problems, they're really not so bad.
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Like what kind of bigger problems?
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Well, the kinds of problems engineers face, like how to safely fly hundreds of people through the air in a small vehicle from one country to another
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or how to make an eco -friendly building in a seaside town
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that can withstand hurricane -force winds or how to send a bunch of earth -bound humans hurtling off into space and, you know, get them back.
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That homework doesn't seem like such a big problem anymore, does it?
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Okay, to be clear, I'm not saying that you don't have to do your homework.
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If you didn't, it would definitely be a problem, just not as big as, like, having to invent a spaceship.
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And that's the kind of stuff that engineers do.
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Engineers are people who want to know how and why things work.
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Not only that, they actually design and build things like machines, systems, or structures to help solve specific problems.
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All engineers, whatever type they are, follow the same series of steps when trying to solve a problem.
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You'll remember these steps as the engineering process.
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And the first step in that process is defining the problem, when an engineer identifies a problem he or she hopes to solve.
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But that first step isn't as simple as you think it is.
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So it's time for our big question.
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How does an engineer define a problem?
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Let's come up with a fake problem to solve and we'll see what we wind up with.
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Pretend you're on one side of a very big canyon and you need to get to the other side.
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So that's the problem you need to solve, right?
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How to cross this very big canyon.
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Sort of, but not exactly.
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We can do better.
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If I was an engineer and found myself on one side of that huge canyon, here's how I'd go about identifying the problem.
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I'd ask questions.
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A lot of questions.
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All the questions!
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Hmm.
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I need to cross this very big canyon.
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But is that my actual problem?
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Hmm.
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This canyon is very big and I need to get to the other side.
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I know!
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I'll cross a bridge!
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Wait, is there a bridge?
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Uh, yeah, there's no bridge.
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Okay, can I climb down one side of the canyon and then up the other side?
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Uh, definitely not.
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Way too deep.
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Plus there's a roaring river at the bottom I'd have to figure out how to cross.
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So, I can't cross the canyon by bridge, I can't climb down and up, and I can't swim across it.
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What's something I can do that doesn't require a bridge, climbing, or swimming?
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I know, I need to find a way to fly across the canyon.
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And that's my problem.
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More importantly, that's my solvable problem.
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How do I fly across this very big canyon?
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It took a little bit of thinking and a whole lot of questions, but how can you fly across the canyon is an easier problem to address than the much less specific,
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I'm on one side of a big canyon and I want to get to the other side, and I don't know how to get across it.
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Which, strictly speaking, isn't a question.
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It's just complaining about a problem really loudly.
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So defining the problem in a solvable way is really key to being a good engineer.
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While that first step might seem pretty easy, make sure you treat it like the super important step that it is, because it sets the stage for all of the steps of the engineering process that follow.
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If you don't define a potentially solvable problem from the start, you might never, well, solve it.
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So an engineer asks a lot of questions to define a problem as specifically as they can, and most importantly as something that can be solved.
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So how is engineer Sabrina going to find a way to fly across that gorge?
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You're gonna have to solve that problem by watching our next lesson.
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本片段的口语学习目标
通过模仿视频中的对话，提升用英语清晰描述问题、逻辑思考的能力，同时掌握工程领域相关表达。适合练习“shadow speech”（影子跟读），通过同步复述增强口语流畅度与反应速度，达成能有条理阐述问题的流利度里程碑。
实用短语库
- compare them to...（将它们与……相比）
- withstand hurricane-force winds（抵御飓风级风力）
- follow the same series of steps（遵循同一套步骤）
- define the problem（定义问题）
- solvable problem（可解决的问题）
- set the stage for...（为……奠定基础）
攻克薄弱点
视频中大量使用疑问句与逻辑推理句式，如“How does an engineer define a problem?”“I need to cross... but is that my actual problem?”，适合练习英语疑问句的语调与节奏。通过“英语影子跟读”，重点模仿升调在疑问句中的运用及思考过程中的自然停顿。建议使用“shadowing site”进行反复练习，注意区分陈述句与疑问句的语调差异，同时强化长句的断句能力，避免因语速过快导致逻辑模糊。
视频中的语法
说话人最常用的结构，并附上视频中的原话：
| 结构 | 视频中的用法 |
|---|---|
| 用 “might / may” 表可能 might/may + 动词 — 有可能但不确定的事 | might seem |
| 义务：must / have to / need to 表示某事是必要的 | have to do · having to invent · need to get |
| “will” 表将来 will + 动词 — 决定、承诺或预测 | You'll remember · we'll see · I'll cross |
| 现在进行时 am/is/are + -ing — 此刻或近期正在发生的事 | I'm not saying · is defining |
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。