跟讀練習: How Do Our Bodies Move? - 通過影片學習英語口語

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Hey there!

I'm sure you know, like Squeaks here does, that exercise is a really important part of keeping your body healthy and strong.

And whether you're running a race, playing football, or just doing a whole bunch of jumping jacks, exercise means moving.

And one SciShow Kids viewer named Autumn wants to know, how does my body move?

Really awesome question, Autumn!

Your body is made up of lots of different parts that all have very special jobs.

To help keep things organized, scientists sometimes group the parts of our bodies into what we call body systems.

And all of the parts in a certain body system work together to accomplish a goal.

When it comes to making you move, it takes three body systems working together to get the job done.

They're called the muscular system, the skeletal system, and the nervous system.

Ready to check them out?

Let's start with the muscular system.

Your muscular system is made of, well, muscles.

Muscle is the stuff — what scientists call tissue — that allows you to move around.

Muscles don't just help you to swing a bat or jump to catch a ball.

Some muscles help you chew, wiggle your nose, stick out your tongue, or even blink.

And some muscles, like the ones in your back and legs, just help to hold your body upright So you can walk, run, or simply sit.

Muscle tissue is pretty flexible, kind of like thick rubber or elastic.

And also like rubber, it can stretch and change shape.

Let's see how.

When you bend your arm at the elbow, a muscle called your bicep contracts or squeezes together.

When it contracts, its shape gets shorter and thicker.

When you straighten your arm, your bicep relaxes.

When a muscle relaxes, its shape gets longer and thinner.

But muscles contracting and relaxing aren't enough to make us move.

They need to be attached to another part of our body to get the job done.

And that's where the next system, the skeletal system, comes in.

The main part of your skeletal system, the skeleton, is made of all your hard, sturdy bones.

Although we sometimes think of skeletons as dead things, especially around Halloween, that's actually not true.

Your bones are very much alive, and they have many jobs.

One of the most important jobs is to support or hold up the rest of your body, and this includes your muscles.

Strong cords, called tendons, attach your muscles to your bones.

When a muscle contracts or relaxes, it pulls the bone into a different position, which makes it move.

But how do your muscles know they're supposed to move at all?

Well, they know because they're under control of your nervous system.

The most important part of your nervous system is your brain.

Your brain is kind of like your body's command center.

When you decide to move, your brain sends signals to your muscles, giving them specific instructions on what to do.

Say you're trying to pick up a snack.

Your brain sends signals to the muscles in your hand and wrist, telling some of them to contract.

As the muscles contract, they pull the bones in your fingers, so that you can grab the apple.

Then your brain sends more signals to your arm muscles, telling them to move the bones in your arm, so that you can bring the apple right to your mouth.

Snack accomplished!

So it takes the actions of three body systems to help us move — the muscular, skeletal, and nervous systems.

Autumn, thanks for watching SciShow Kids and asking such a great question!

And if anyone else has a question for any of us here at the fort, let us know by leaving a comment or emailing us at kids at thescishow .com.

Thanks guys, see ya later!

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詞彙遊戲邊玩邊學

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本課的詞彙與口語要點

這段影片共有 47 個句子、641 個單詞可供跟讀。講話部分時長為 3:11。說話人語速較快，每分鐘約 202 個詞，會出現較多連讀和弱讀。 82% 的單詞屬於英語最常用的 3,000 詞，其餘的詞建議在練習前先學一下。

影片中的重點詞彙

影片中 15 個不太常見的單詞，附發音和釋義：

muscle /ˈmʌs.əl/ (名詞) — 肌肉, 筋肉. A contractile form of tissue which animals use to effect movement.
bone /boʊn/ (名詞) — гўдў, гўдўзы. A composite material consisting largely of calcium phosphate and collagen and making up the skeleton of most vertebrates.
relax /ɹɪˈlæks/ (動詞) — 鬆開 /鬆開, 放鬆 /放鬆. To make something loose.
muscular /ˈmʌs.kjʊl.ə/ (形容詞) — 肌肉的. Of, relating to, or connected with muscles.
thick /θɪk/ (形容詞) — ху, 厚. Relatively great in extent from one surface to the opposite in its smallest solid dimension.
tissue /ˈtɪʃ.(j)u/ (名詞) — 紙巾. Thin, woven, gauzelike fabric.
rubber /ˈɹʌbɚ/ (名詞) — 橡膠 /橡膠, 橡皮. Pliable material derived from the sap of the rubber tree; a hydrocarbon biopolymer of isoprene.
scientist /ˈsaɪəntəst/ (名詞) — 科學家 /科學家. One whose activities make use of the scientific method to answer questions regarding the measurable universe. A scientist may be involved in original research…
accomplish /əˈkɑm.plɪʃ/ (動詞) — 達到 /達到. To finish successfully.
snack /snæk/ (名詞) — 零食, 小吃. A light meal.
skeleton /ˈskɛlətən/ (名詞) — 骨骼, 骸骨. The system that provides support to an organism, where in vertebrates it is internal and consists of bones and cartilage, and external in some other animals.
attach /əˈtæt͡ʃ/ (動詞) — 附上, 附. To fasten, to join to (literally and figuratively).
finger /ˈfɪŋɡɚ/ (名詞) — 手指, 指頭 /指頭. A slender jointed extremity of the human hand, (often) exclusive of the thumb, and the corresponding part, irrespective of including a thumb, in many other…
thin /ˈθɪn/ (形容詞) — бә, 薄. Having little thickness or extent from one surface to its opposite.
fort /fɔɹt/ (名詞) — 要塞, 碉堡. A fortified defensive structure stationed with troops.

影片中出現的短語動詞

pick up (動詞) — 拾取, 撿 /撿. To lift; to grasp and raise.
stick out (動詞) — 突出, 凸出. To protrude.

需要注意的發音

說話人用了 8 次縮略和弱讀形式，例如 they're, you're, aren't。請按聽到的簡短形式來說。

“th” 音: thick /θɪk/, thin /ˈθɪn/
“sh” 和 “zh” 音: tissue /ˈtɪʃ.(j)u/, accomplish /əˈkɑm.plɪʃ/, instruction /ɪnˈstɹʌkʃən/

如何用這段影片練習

先完整聽一遍影片，不要開口，記下不認識的單詞。
先用 0.75 倍速逐句跟讀，熟練之後再回到正常速度。
錄下自己的聲音並與原聲對比，特別注意 muscle, bone, relax 這類單詞。

影片中的語法

說話人最常用的結構，並附上影片中的原話：

結構	影片中的用法
被動語態 be + 過去分詞 — 強調發生了什麼，而不是誰做的	is made · be attached
最高階 the -est / the most … — 一組中最高或最低的	the most important
現在進行時 am/is/are + -ing — 此刻或近期正在發生的事	you're running · you're trying

什麼是跟讀法？

跟讀法 (Shadowing) 是一種有科學依據的語言學習技巧，最初開發用於專業口譯員的培訓，並由多語言者Alexander Arguelles博士普及。這個方法簡單而強大：您在聽英語母語原聲的同時立即大聲重複——就像是一個延遲1-2秒緊跟說話者的影子。與被動聽力或語法練習不同，跟讀法強迫您的大腦和口腔肌肉同時處理並模模擬實的講話模式。研究表明它能顯著提高發音準確性，語調，節奏，連讀，聽力理解和口語流利度——使其成為雅思口語備考和真實英語交流最有效的方法之一。

影子跟讀法: 閱讀完整分步指南 →

跟讀練習: How Do Our Bodies Move? - 通過影片學習英語口語

選擇練習模式

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