跟读练习: Formation Of A Tropical Cyclone - 通过YouTube学习英语口语
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There are three basic stages in the life of a tropical cyclone,
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There are three basic stages in the life of a tropical cyclone,
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its origin or source, the mature stage and the dissipation stage,
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where it dies out.
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These occur in a continuous process,
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not as separate and distinct stages.
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Each stage may occur more than once during the life cycle,
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as the strength of the cyclone rises and falls.
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it may reach land, weaken,
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then go back out to sea where it strengthens once more.
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The formation of a cyclone depends upon the following conditions coinciding.
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A large, still and warm ocean area with a surface temperature that exceeds 26.5 degrees Celsius over an extended period.
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This allows a body of warm air to develop above the ocean's surface surface.
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Low altitude winds are also needed to form a tropical cyclone.
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As air warms over the ocean,
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it expands, becomes lighter and rises.
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Other local winds blow in to replace the air that has risen,
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then this air is also warmed and rises.
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The rising air contains huge amounts of moisture evaporated from the ocean's surface.
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As it rises, it cools,
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condensing to form huge clouds about 10km up in the troposphere.
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More warm air rushes in and rises,
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drawn by the draft above.
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The rising drafts of air carry moisture high into the atmosphere so that these clouds eventually become very thick and heavy.
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Condensation then releases the latent heat energy stored in the water vapor,
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providing the cyclone with more power.
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This creates a self-sustaining heat cycle.
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Drawn further upwards by the new release of energy,
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the clouds can grow to 12 to 15 kilometers high.
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The force created by the Earth's rotation on a tilted axis,
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the Coriolis effect, causes rising currents of air to spiral around the centre of the tropical cyclone.
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It is at this stage that the cyclone matures and the eye of the storm is created.
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As the air rises and cools,
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some of this dense air descends to form the clear,
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still eye as the cyclone rages around it.
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The eye wall, where the wind is strongest,
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behaves like a whirling cylinder.
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Cyclones rotate clockwise in the southern hemisphere, anti-clockwise in the northern.
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The lowest air pressure in a tropical cyclone is always found at the centre,
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and is typically 950 millibars or less.
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The average air pressure at the Earth's surface is about 1,010 millibars.
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Tropical cyclones have significantly lower air pressure than the air that surrounds them.
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The bigger the pressure difference,
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the stronger the wind force.
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One of the lowest air pressures ever recorded was 877 millibars for Typhoon Ida,
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which hit the Philippines in 1958,
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where winds reached 300 kilometres an hour.
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Once formed, the cyclone's movement or track follows a pathway away from its source,
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driven by global wind circulation.
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As warm ocean waters feed it heat and moisture,
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the cyclone continues to enlarge.
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Thank you.
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背景与背景信息
热带气旋是一种极为复杂的气象现象，它的形成过程及其生命周期对全球气候有着深远的影响。在此视频中，讲解了热带气旋的三个基本阶段：起源阶段、成熟阶段和消散阶段。了解这些过程不仅能够帮助我们更好地理解自然界的现象，也为提升英语语言能力提供了丰富的学习材料。通过观看该视频并进行英语影子跟读，学习者可以在语音、语调和表达上取得显著进步。
日常交流的五个重要短语
- 热带气旋的形成 — "Formation of a tropical cyclone"
- 海洋表面温度 — "surface temperature exceeds 26.5 degrees Celsius"
- 空气上升和冷却 — "air rises and cools"
- 风速加大 — "stronger wind force"
- 气旋的中心 — "centre of the tropical cyclone"
逐步影子跟读指南
对于想要提高英语发音并掌握气象领域术语的学习者，以下是一个逐步的影子跟读指南：
- 仔细观看视频 — 首先，观看视频内容，注意讲解者的语速和语调，理解热带气旋的形成过程。
- 选择段落 — 选择一个视频中的段落，最好是关于气旋成熟阶段的部分，因为这段内容较为详细。
- 分段跟读 — 将所选段落分成几个小部分。先听一遍，然后尝试模仿讲解者的发音和节奏，进行英语影子跟读。
- 反复练习 — 重复该段落多次，尤其是在听到难以发音的部分时，集中练习以提高你的发声能力。
- 记录进步 — 可以录下你的语音，与原声进行对比，找出改进的地方，持续练习以提升你的英语发音。
通过这种影子跟读的方法，不仅能增强你的语言能力，还能加深对气象现象的理解，成为提高你的英语口语能力的有效途径。加入这个练习，这是一项值得投资的语言学习技巧，帮助你在英语学习之旅中取得成功！
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。