跟读练习: How big is the ocean? - Scott Gass - 通过YouTube学习英语口语
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Imagine yourself standing on a beach, looking out over the ocean, waves crashing against the shore, blue as far as your eyes can see.
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Imagine yourself standing on a beach, looking out over the ocean, waves crashing against the shore, blue as far as your eyes can see.
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Let it really sink in, the sheer scope and size of it all.
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Now, ask yourself, "How big is it?
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How big is the ocean?" First thing, we need to understand that there really is only one ocean, consisting of five component basins that we call the Pacific, the Atlantic, the Indian, the Arctic, and the Southern.
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Each of these five, while generally referred to as oceans in and of themselves, are really and truly a part of a single, massive body of water, one ocean, which defines the very face of planet Earth.
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The ocean covers roughly 71% of our planet's surface, some 360 million square kilometers, an area in excess of the size of 36 USAs.
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It’s such a vast spread, when viewed from space, the ocean is, by far, the dominant feature of our planet.
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Speaking of space, the ocean currently holds over 1.3 billion— that’s billion with a “b”— cubic kilometers of water.
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Put another way, that’s enough water to immerse the entire United States under a body of salt water over 132 kilometers tall— a height well beyond the reach of the highest clouds and extending deep into the upper atmosphere.
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With all that volume, the ocean represents 97% of Earth’s total water content.
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On top of all that, the ocean contains upwards of 99% of the world’s biosphere, that is, the spaces and places where life exists.
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Now let that sink in for a second.
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The immediate world as we know it, indeed the totality of all the living space encompassed by the continents themselves, all of that represents only 1% of the biosphere— 1%!
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The ocean is everything else.
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So, the ocean is physically massive.
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It's importance to life is practically unparalleled.
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It also happens to hold the greatest geological features of our planet.
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Quickly, here are four of the most notable.
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The ocean contains the world's largest mountain range, the mid-ocean ridge.
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At roughly 65,000 kilometers long, this underwater range is some 10 times longer than the longest mountain chain found purely on dry land— the Andes.
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Beneath the Denmark Strait exists the world’s largest waterfall.
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This massive cataract carries roughly 116 times more water per second over its edge than the Congo River’s Inga Falls, the largest waterfall by volume on land.
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The world's tallest mountain is actually found in the ocean, hiding in plain sight.
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While 4,200 meters of Hawaii’s Mauna Kea sit above sea level, its sides plummet beneath the waves for another 5,800 meters.
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From its snow-covered top to it’s silt-covered bottom, then, this Hawaiian mountain is roughly 10,000 meters in height, dwarfing tiny Everest’s paltry peak by well over a kilometer.
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And, since we’re picking on poor Everest, let's consider the world's deepest canyon, the Challenger Deep: existing 11 kilometers below the ocean's surface, some six times deeper than the Grand Canyon.
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That's deep enough to sink Mount Everest into and still have over 2.1 kilometers of water sitting atop its newly submerged peak.
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Put another way, the depth of the Challenger Deep is roughly the same height that commercial airliners travel.
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So, pretty much however you choose to slice it, the ocean is capital B, capital I, capital G— BIG!
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It defines our planet, home to the greatest geological features, comprises the largest living space, and accordingly, is home to the greatest numbers and forms of life on Earth.
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It is practically incomprehensible in scope.
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But it is not so big, so vast, so extraordinary as to be untouchable.
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In fact, with roughly 50% of the world's population living within 100 kilometers of a coastline, and with most of the remainder living close enough to lakes, rivers, or swamps, all of which ultimately lead to the ocean, virtually every single person on the planet has the opportunity to influence the general health and nature of the world ocean.
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Evidence of human influence is seen in every part of the ocean, no matter how deep, no matter how distant.
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The ocean defines our planet, but, in a very real sense, we define the ocean.
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关于本课
在本课中，您将通过一段关于海洋的精彩讲解，练习您的英语听说能力。我们将深入探讨海洋的规模及其在地球生命中的重要性。通过模仿视频内容，您可以提高英语发音，同时扩展相关的词汇和短语，为您的英语学习增添乐趣。
关键词汇与短语
- 海洋 (ocean)
- 太平洋 (Pacific)
- 大西洋 (Atlantic)
- 生物圈 (biosphere)
- 峡谷 (canyon)
- 山脉 (mountain range)
- 影子说话 (shadow speak)
- 威力巨大 (massive)
练习技巧
在观看视频并进行学习时，您可以采用shadowing的技巧，即一边听一边说出您所听到的内容。这种方法能够帮助您提高语音和节奏的准确性。视频的节奏适中，非常适合自学者使用。初次时，您可以先慢下来，专注于每个词的发音。之后，逐渐跟上视频的自然节奏，以提高您的流畅度和自信心。
通过shadow speak，您还可以尝试模仿讲述者的语气和情感，这样不仅能增强您对词汇的记忆，还可以提高您的口语表达能力。每次练习时，请注意视频中的关键词汇和短语，努力在适当的语境中理解并使用它们。持之以恒，您将看到自己的英语发音水平有显著提升！动手尝试，加入这个有趣的“看YouTube学英语”的旅程吧！
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。