跟读练习: What Is AI? | Learn all about artificial intelligence - 通过视频学习英语口语
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What is AI?
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Have you ever asked Siri or Alexa to play your favorite song?
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If so, you have been interacting with artificial intelligence, or AI for short.
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Today, we are going to talk more about AI.
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Let's start with what it is.
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A simple way to describe AI is that it combines computer science, large sets of data or information, and problem solving.
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Currently, most AI is used for automation.
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This could mean you encounter AI when you use customer service over the phone or online.
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They use voice recognition and machine learning to answer questions and respond to requests.
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Or in the field of robotics engineering, this could mean automating tasks that are unsafe for humans,
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like mixing toxic chemicals or piloting a space vehicle that is set to land on Mars.
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This type of AI is an example of artificial narrow intelligence, or ANI.
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There are two other types of artificial intelligence, AGI, or Artificial General Intelligence,
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and ASI, which means Artificial Super Intelligence.
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AGI means that a computer can make decisions, plan, and function similarly to humans.
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Many experts think that that is the direction that AI is currently headed, But it isn't there yet.
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ASI is still theoretical, meaning that it is not based on real life.
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Just an idea.
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But the thought behind ASI is that the intelligence of computers would exceed the intelligence of humans,
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which would be pretty wild.
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Now that we are more aware of what AI is, let's discuss some pros and cons of its use.
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Pros Streamlines and automates repetitive tasks Saves time Saves humans from doing dangerous jobs Allows for new technological discoveries
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Lowers possibility of human error Cons Very expensive to execute Potential loss of non-hazardous human jobs huge environmental costs to maintain,
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can be used to plagiarize art and other online content, security risks from hackers.
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One of the pros of using AI is that it streamlines and automates repetitive tasks.
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It also saves a lot of time.
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AI can save humans from doing dangerous jobs and allows for new technological discoveries.
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AI also lowers the possibility of human error.
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Hmm, that doesn't sound so bad.
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But wait, we haven't discussed the cons yet.
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A major con of AI is that it is very expensive to execute.
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We are talking billions of dollars.
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Another con is that it could potentially cause humans to lose their jobs.
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If you care about the environment, you should be aware that there is a huge environmental cost to AI.
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If you are familiar with AI server farms, you already know that they take up a lot of space and drain energy and water resources.
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AI can also be used to plagiarize art and other online content.
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And there's always the threat of security risks from hackers.
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Sounds like there's a lot to think about
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when you are deciding whether the positives of AI outweigh the negatives or vice versa.
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We have just learned a lot about AI.
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Here are some questions to review.
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True or false?
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As of today, ASI is purely theoretical.
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True.
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Fill in the blank.
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Currently, the AI technology we use is an example of ANI,
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which stands for Artificial Blank Intelligence Narrow Name one pro and one con of AI use
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Great job, AI experts!
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Whether you think that AI is helpful or harmful, it is here to stay.
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So, it is important to understand it and its potential consequences.
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Perhaps one day you will be an innovator that finds a helpful and ethical way to use AI.
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Hope you had fun learning with us!
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Visit us at LearnBrite.org for thousands of free resources and turnkey solutions for teachers and homeschoolers.
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本课的词汇与口语要点
这段视频共有 53 个句子、617 个单词可供跟读。 讲话部分时长为 5:06。 说话人语速平稳，每分钟约 121 个词，很适合跟读。 只有 78% 的单词属于英语最常用的 3,000 词，词汇难度较高。
视频中的重点词汇
视频中 15 个不太常见的单词，附发音和释义：
- artificial /ˌɑː.tɪˈfɪʃ.əl/ (形容词) — 人造的. Man-made; made by humans; of artifice.
- discovery /dɪˈskʌv.ɹi/ (名词) — 發現 /发现. Something discovered.
- helpful /ˈhɛlp.fl̩/ (形容词) — 有幫助 /有帮助. Furnishing help; giving aid; useful.
- narrow /ˈnæɹəʊ/ (形容词) — 窄. Having a small width; not wide; having opposite edges or sides that are close, especially by comparison to length or depth.
- resource /ɹɪˈzɔːs/ (名词) — 資源 /资源. Something that one uses to achieve an objective, e.g. raw materials or personnel.
- technological /ˌtɛk.nəˈlɑ.dʒɪ.kəl/ (形容词) — 技術性 /技术性. Of, relating to, or involving technology, especially modern scientific technology.
- theoretical /ˌθi.əˈɹɛt.ɪ.kəl/ (形容词) — 理論 /理论. Of or relating to theory; abstract; not empirical.
- execute /ˈɛksɪˌkjuːt/ (动词) — 處決 /处决, 處死 /处死. To kill, especially as punishment for a capital crime.
- recognition /ˌɹɛkəɡˈnɪʃ(ə)n/ (名词) — 認出 /认出. The act of recognizing or the condition of being recognized (matching a current observation with a memory of a prior observation of the same entity).
- server /ˈsɝvɚ/ (名词) — 服務器 /服务器, 伺服器. A program that provides services to other programs or devices, either in the same computer or over a computer network.
- solve /sɒlv/ (动词) — 解決 /解决. To find an answer or solution to a problem or question; to work out.
- similarly /ˈsɪm.ə.lə.li/ (副词) — 類似地 /类似地, 同樣地 /同样地. In a like style or manner.
- encounter /ɪnˈkaʊntɚ/ (动词) — 遇到, 遇見 /遇见. To meet (someone) or find (something), especially unexpectedly.
- toxic /ˈtɒk.sɪk/ (形容词) — 有毒的. Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities.
- combine /kəmˈbaɪn/ (动词) — 結合 /结合, 組合 /组合. To bring (two or more things or activities) together; to unite.
视频中出现的短语动词
- fill in (动词) — 頂班 /顶班, 代班. To fill; to replace material that is absent or has been removed.
需要注意的发音
说话人用了 3 次缩略和弱读形式，例如 doesn't, haven't, isn't。请按听到的简短形式来说。
- “th” 音: theoretical /ˌθi.əˈɹɛt.ɪ.kəl/, ethical /ˈɛθɪkəl/
- “sh” 和 “zh” 音: artificial /ˌɑː.tɪˈfɪʃ.əl/, recognition /ˌɹɛkəɡˈnɪʃ(ə)n/, potentially /pəˈtɛnʃ(ə)li/, automation /ˌɔ.təˈmeɪ.ʃən/
- 长单词——注意重音位置: artificial /ˌɑː.tɪˈfɪʃ.əl/, technological /ˌtɛk.nəˈlɑ.dʒɪ.kəl/, theoretical /ˌθi.əˈɹɛt.ɪ.kəl/, repetitive /ɹɪˈpɛtɪtɪv/, recognition /ˌɹɛkəɡˈnɪʃ(ə)n/
如何用这段视频练习
- 先完整听一遍视频，不要开口，记下不认识的单词。
- 用正常速度逐句跟读，每句重复到你的节奏与说话人一致为止。
- 录下自己的声音并与原声对比，特别注意 artificial, discovery, helpful 这类单词。
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 |
|---|---|
| 现在完成时 have/has + 过去分词 — 过去发生但与现在仍有关联的事 | haven't discussed · have just learned |
| 被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的 | is set · is not based |
| 现在进行时 am/is/are + -ing — 此刻或近期正在发生的事 | are talking · are deciding |
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。