跟读练习: Level L.Big Machines - 通过视频学习英语口语
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Big Machines Introduction Work is done when something is moved from one place to another.
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Machines are used to do the work.
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They move things from one place to another.
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Some things are easy to move.
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Other things are not.
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Small machines are used for smaller jobs.
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Things like shovels are simple machines.
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They do not have many moving parts.
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Big machines are used to move heavy things.
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They are used to build tall buildings.
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They are used to build roads and bridges.
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They are used to take resources from the earth.
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Building Tall Buildings It takes many big machines to build a tall building.
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Large power shovels called excavators dig deep holes in the ground.
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Some power shovels have huge buckets that can scoop a swimming pool-sized pile of dirt in one scoop.
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Others have clam-like buckets that take big bites out of the earth.
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Bulldozers are machines that move the dirt around.
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Giant dump trucks carry the dirt away.
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Concrete trucks carry concrete to the work site.
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Flatbed trucks carry steel beams and rods to the work site.
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Large cranes lift steel beams into place.
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They also carry buckets of concrete to workers high above ground.
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Do you know?
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A bulldozer can move more dirt in 15 minutes than a person can shovel in 5 days.
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Building Roads It takes many kinds of large machines to build a road.
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Large scrapers are used to get rid of trees and brush.
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They also are used to get rid of small hills.
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Loaders are used to dig up dirt and rocks.
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They put dirt and rocks into giant dump trucks that carry it away.
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Some dump trucks are so big that they can carry enough dirt to equal the weight of 20 elephants.
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Graders smooth out the roadway, and pavers lay the road surface onto the roadway.
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A roller following behind the paver presses down on the new road surface to make it smooth and flat.
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Taking Resources from the Earth There are many resources we need that are buried deep inside the earth.
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We need big machines to get resources out.
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Oil drilling rigs are set up to remove oil.
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Large drills are used to get coal out of mines.
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Very large excavators dig up the earth in search of resources.
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Huge dump trucks then carry the resources to where they can be used to make products.
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Big Machines on Water There are big machines that move things on the water.
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Tugboats are machines that move other things over water by pulling and pushing.
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They pull barges.
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They push and pull large ships.
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Ocean liners are large ships that move people.
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Oil tankers are huge ships that carry massive amounts of oil.
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And container ships are stacked high with containers that carry things from place to place.
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Big machines in the air.
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Large airplanes carry people and cargo.
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A 747 is a giant passenger jet that can carry 400 to 450 people.
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The C-5 is a huge cargo plane.
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It is almost as long as a football field.
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Helicopters are flying machines, too.
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The Sky Crane is a helicopter that is used to lift heavy objects.
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It can lift 15,000 pounds.
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It is used to carry things like bulldozers and power line towers into hard-to-reach places.
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You can see that many large machines are at work moving things from place to place,
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but probably the most common is the big rig.
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The big rig is made of two parts, the tractor and the trailer.
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Big rigs carry goods over roads that wind around the world.
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Do you know?
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Most big rigs have 18 wheels or more.
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Can you imagine running over a bed of nails?
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That's a lot of tires to change.
背景与背景信息
在这个视频中，讲述者介绍了各种大型机器及其在建筑、交通和资源开采中的重要性。这些机器在现代社会中扮演着至关重要的角色，帮助我们完成许多日常任务。从建筑高楼到铺设道路，再到从地球深处提取资源，所有这些活动都离不开大型机器的支持。了解这些机器的功能不仅能够增强我们的英语词汇，还能加深我们对工业流程的理解。
日常交流的五个常用短语
- 大型机器帮助搬运物品。 - Big machines help move things.
- 挖掘机可以挖掘深洞。 - Excavators can dig deep holes.
- 推土机用来移动泥土。 - Bulldozers are used to move dirt.
- 大型飞机能承载很多乘客。 - Large airplanes can carry many passengers.
- 从地球中提取资源需要大型机器。 - Extracting resources from the earth requires big machines.
逐步影子跟读指南
如果您希望通过这段视频提高您的英语口语能力，以下是一些有效的影子跟读（shadow speaking）步骤：
- 首先，观看视频整体内容： 理解大型机器的不同类型及其用途，让自己对视频内容有一个总体的把握。
- 第二步，逐句听写： 听视频中的句子，并逐句跟读。可以暂停视频，以便有足够的时间理解每一句的语调和节奏。
- 第三步，模仿发音： 注意讲述者的发音和语调，尽量模拟他们的声音，练习这些短语，以增强口语流利度。
- 第四步，重复影子跟读： 不断重复视频中的短语，直到您觉得自己可以流利地说出这些内容，并能够将这些机器的相关概念融入到日常交流中。
- 最后，结合观看与聆听： 在看视频的同时，尝试理解视频中展示的机器工作原理，并在语境中加强您的学习，比如在看YouTube学英语时，感受语境对于词汇记忆的重要性。
通过上述步骤，您将能够有效利用这段视频提升自己的英语能力，掌握与大型机器有关的专业词汇，并增强您的口语表达能力。
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。