跟读练习: Solar System 101 | National Geographic - 通过YouTube学习英语口语
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- [Narrator] Our solar system is one of over 500 known solar systems in the entire Milky Way galaxy.
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- [Narrator] Our solar system is one of over 500 known solar systems in the entire Milky Way galaxy.
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The solar system came into being about 4.5 billion years ago, when a cloud of interstellar gas and dust collapsed, resulting in a solar nebula, a swirling disc of material that collided to form the solar system.
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The solar system is located in the Milky Way's Orion star cluster.
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Only 15% of stars in the galaxy host planetary systems, and one of those stars is our own sun.
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Revolving around the sun are eight planets.
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The planets are divided into two categories, based on their composition, Terrestrial and Jovian.
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Terrestrial planets including Mercury, Venus, Earth, and Mars, are primarily made of rocky material.
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Their surfaces are solid, they don't have ring systems, they have very few or no moons, and they are relatively small.
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The smallest and closest to the sun is Mercury, which has the shortest orbit in the solar system at about three Earth months.
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Venus is the hottest planet, with temperatures of up to 867 degrees Fahrenheit, due to an atmosphere of carbon dioxide and extensive lava flows.
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Next to this world of fire is a world of water, Earth.
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The water systems on this planet help create the only known environment in the universe capable of sustaining life.
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The last of the terrestrial planets, Mars, might have also supported life about 3.7 billion years ago, when the planet had a watery surface, and moist atmosphere.
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Beyond the four Terrestrial planets of the inner solar system lie the Jovian planets of the outer solar system.
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The Jovian planets include gas giants Jupiter and Saturn and ice giants Uranus and Neptune.
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The gas giants are predominantly made of helium and hydrogen, and the ice giants also contain rock, ice, and a liquid mixture of water, methane, and ammonia.
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All four Jovian planets have multiple moons, sport ring systems, have no solid surface, and are immense.
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The largest Jovian is also the largest planet in the solar system, Jupiter.
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Nearby is Saturn, the solar system's second largest planet.
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Its signature rings are wide enough to fit between Earth and the moon, but are barely a kilometer thick.
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Past Saturn are the ice giants, Uranus and Neptune.
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The slightly bigger of these ice giants, Uranus, is famous for rotating on its side.
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Next to Uranus is Neptune, the outermost planet in the solar system, and also one of the coldest.
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Orbiting the Terrestrial planets is the asteroid belt, a flat disc of rocky objects, full of remnants from the solar system's formation.
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From microscopic dust particles, to the largest known object, the dwarf planet, Ceres.
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Another disc of space debris lies much further out, and orbits the Jovian planets, the icy Kuiper Belt.
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Apart from asteroids, the Kuiper Belt is also home to dwarf planets, such as Pluto, and is the birthplace of many comets.
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Beyond the Kuiper Belt is the Oort Cloud, a vast, spherical collection of icy debris.
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It is considered the edge of the solar system since that is where the gravitational and physical influences of the sun end.
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Our solar system's particular configuration of planets and other celestial objects, all revolving around a life-giving star, make it a special place to call home.
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为什么要通过这个视频练习口语？
通过观看和模仿《Solar System 101》的叙述者，您可以在真实的语境中提高英语口语能力。这段视频不仅内容丰富，多样的行星及其特性能激发您的学习兴趣，而且叙述者的表达方式清晰有力，适合进行英语影子跟读和深入理解。通过不断的练习，您将能够更加自信地与他人交流，尤其在雅思口语练习中。
语法与表达在上下文中的应用
在这段视频中，叙述者使用了几种关键的句型和表达方式：
- 时间状语从句: “大约45亿年前…” 这种表达方式可以帮助您描述事件的时间，为叙述提供清晰的背景。
- 对比结构: “水星是最小且离太阳最近的行星，而金星是最热的行星。” 通过这样的比较，您可以学习如何在讲话中进行对比，使表达更加生动。
- 解释性从句: “环绕太阳的八颗行星被分为两类：类地行星和巨型行星。” 使用这样的句式可以增强您的信息传递效果，让听众更容易理解。
在练习这些结构时，可以尝试在讲话中加入更多细节，使您的表达更加准确。
常见发音陷阱
在视频中，有些单词可能会对学习者构成挑战。例如：
- Jovian（巨型行星的）这个词可能由于其重音位置而难以发音，注意尝试强调前面的音节以达到正确的发音。
- Neptune（海王星）这个词的末尾音可能需要多加练习，以确保流利度。
- 叙述者的“Milky Way”（银河系）和“Orion”（猎户星座）的发音也值得注意，尤其是在与他人讨论天文学时，这也有利于提升您的提高英语发音能力。
通过反复收听和模仿，您可以将这些发音难点逐渐克服，让您的口语更加流利自然。利用这些资源，配合看YouTube学英语，相信您的英语口语能力能显著提升！
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。