跟读练习: A Call for a Ban on 'Killer Robots' - 通过YouTube学习英语口语
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Music From VOA Learning English,
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Music From VOA Learning English,
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this is the Technology Report.
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A United Nations Special Investigator recently called for a ban on the production and use of lethal autonomous robotics,
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known as LARS.
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Critics say these killer robots may one day choose and strike targets independently without human direction.
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UN official Christoph Haines says the lack of human commanders raises many moral and ethical questions about Lars.
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He spoke in May at a meeting of the UN Human Rights Council in Geneva, Switzerland.
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He says the taking of any human life deserves a basic level of consideration.
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Mr. Haynes says the deployment of machines to kill people may be unacceptable
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because the world has yet to agree on legal responsibility in such cases.
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He says killer robots should not have the power of life and death over human beings.
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He disagrees with people who say robots could help reduce the possibility of what they call riskless wars.
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Mr. Haynes says people make mistakes.
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They can act out of fear or be driven by revenge or cruelty.
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But unlike robots, they can also act out of compassion.
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He says humans consider many different things in each situation they face.
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Drone aircraft have also been a point of debate in recent years.
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These vehicles are piloted by a person on the ground.
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Many countries have drone programs.
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Drone strikes have helped the United States in its battle against militants in countries such as Afghanistan and Pakistan.
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In May, President Obama said the use of drone strikes must be held to high standards.
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He called the use of drones effective.
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But he noted that the new technology raises what he called profound questions.
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For VOA Learning English, I'm Carolyn Prasuti.
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为什么要通过这个视频练习说话？
在学习英语过程中，口语练习是至关重要的一环。观看这样的科技报告视频，不仅能提高你对当今热门话题的了解，还能帮助你在真实语境中练习口语。通过这个视频，学习者可以倾听到议题相关的专业术语和表达方式，增强自身的雅思口语练习能力。同时，模仿视频中的发音和语调，有助于提高英语发音的准确性，是进行 shadow speech 的理想材料。这种练习模式使你能够在心理上构建起一个以外界声音为背景的语言环境。
语法与表达在语境中
在视频中，演讲者使用了一些重要的语法结构和表达，以下是几个关键点：
- 被动语态：例如，“may be unacceptable”，这种结构在表达被动含义时非常常见，尤其是在讨论道德与伦理问题上。
- 条件句：如“如果人类没有做出决定”，这类句式常用于假设和可能性讨论。
- 情态动词的使用：例如“should not have the power”，它们在表达建议或必要性方面显得尤为重要。
- 对比句式：如“但与机器人不同，人类可以出于同情心行事”，这种表达清晰地传达了对人类和机械之间潜在区别的理解。
通过分析这些结构，学习者不仅可以提高自己的理解能力，还能在进行 shadowspeaks 练习时更好地运用这些表达。
常见的发音陷阱
视频中提到的一些词汇可能在发音上对学习者构成挑战。例如，“autonomous”可能会被误读，正确的发音是 /ɔːˈtɒnəməs/。此外，“deployment”在快速对话中也容易发错，正确发音应强调第二个音节。对于和机器人相关的词汇，学习者可以多加注意，以便在口语表达时能提高流利度和清晰度，进一步促进其雅思口语及整体英语水平的提升。通过反复练习和模仿，学习者可以在 提高英语发音 的同时，增强对这些词汇的自信。
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。