跟读练习: Moon Phases Demonstration - 通过视频学习英语口语
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46 句
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Hi, my name is Emily Morgan and I'm the author of Next Time You See the Moon from NSTA Kids.
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And I'd like to share a simple activity with you
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that can help you understand why the moon looks different at different times throughout the month.
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Why sometimes it looks like a banana, and other times it looks like half of a circle,
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and other times it looks like a big round ball.
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Well to do this activity you only need four simple things.
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You need a lamp with a shade removed, a white foam ball, a pencil, and a dark room.
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The darker the room the better.
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Now in this model the lamp is going to represent the Sun
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and of course the white foam ball is going to represent the moon and your head is going to represent the earth.
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So let me show you how this works.
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We know that the moon orbits the earth.
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So in this model, I'm going to get the moon, the foam ball, to orbit the earth, my head.
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Notice that no matter where the moon is in its orbit, half of it is always lit up by the sun.
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But when the moon is in this position, I can't see any of the lighted side of the moon from Earth.
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My head.
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From this angle, you can see what I am seeing from Earth.
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We call this new moon.
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When it's new moon, we look up at the sky and we can't see the moon.
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It's there, but the side that's reflecting sunlight is away from us.
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Now as I slowly make the moon orbit to my left, I can begin to see a tiny sliver of that lighted side.
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We call that a crescent moon.
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As the moon keeps orbiting, we can see more and more of that lighted side.
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We see half of the lighted half, which is a quarter moon.
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In this case, a first quarter moon.
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As we keep orbiting, we see almost the whole lighted side.
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We call that a gibbous moon.
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Then, when we can see the entire lighted half of the moon, that's a full moon.
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As the moon continues in its orbit, we begin to see less and less of that lighted side.
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We're back to a gibbous moon, but this time the light is on the opposite side.
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Then another quarter moon, last quarter moon to be exact.
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Another crescent.
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And finally back to new moon.
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And the cycle begins again.
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So why does the moon appear in different shapes throughout the month?
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Because of its orbit.
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The shape or phase of the moon depends on where it is in its orbit around Earth.
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It takes about a month for the moon to orbit the Earth.
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So when you look up at the moon today, know that you'll see that same phase again about a month from now.
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Thank you for watching and I hope you give this activity a try
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and I hope that you have a sense of wonder next time you see the moon.
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For a full description of this activity and other resources for teaching about moon phases,
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go to www .nsta .org slash next time dash moon.
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There are moon calendars and other science and reading activities there.
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For more information about the Next Time You See book series, visit www .nexttimeuc .com.
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Thank you.
FOR YOU
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本课的词汇与口语要点
这节口语课以视频“Moon Phases Demonstration”为素材。 视频中反复出现的词有：moon, orbit, lighted, earth, quarter。 这段视频共有 46 个句子、568 个单词可供跟读。 讲话部分时长为 4:05。 说话人语速平稳，每分钟约 139 个词，很适合跟读。 86% 的单词属于英语最常用的 3,000 词，其余的词建议在练习前先学一下。
视频中的重点词汇
视频中 15 个值得学习的单词，附发音和释义：
| 单词 | 发音 | 释义 |
|---|---|---|
| orbit 名词 | /ˈɔɹ.bɪt/ | 軌道 /轨道, 軌跡 /轨迹 |
| foam 名词 | /ˈfɔʊ̯m/ | 泡沫, 沫 |
| lamp 名词 | /ˈlæ̝mp/ | 燈 /灯, 電燈 /电灯 |
| crescent 名词 | /ˈkɹɛs.ənt/ | 新月, 月牙 |
| reflect 动词 | /ɹɪˈflɛkt/ | 反映, 反射 |
| resource 名词 | /ɹɪˈzɔːs/ | 資源 /资源 |
| angle 名词 | /ˈæŋ.ɡəl/ | 角, 角度 |
| calendar 名词 | /ˈkæl.ən.də/ | 日曆 /日历, 曆 /历 |
| depend 动词 | /dɪˈpɛnd/ | 信任, 信賴 /信赖 |
| shade 名词 | /ʃeɪd/ | 陰影 /阴影 |
| banana 名词 | /bəˈnænə/ | щёнҗё, баҗё |
| dash 名词 | /ˈdæʃ/ | 破折號 /破折号 |
| pencil 名词 | /ˈpɛnsəl/ | 鉛筆 /铅笔 |
| sunlight 名词 | /ˈsʌnˌlaɪt/ | 陽光 /阳光, 日光 |
| sliver 名词 | /ˈslɪvɚ/ | 裂片 |
视频中的语法
说话人最常用的结构，并附上视频中的原话：
| 结构 | 视频中的用法 |
|---|---|
| 动词 + -ing enjoy、keep、stop… + -ing — 后接 -ing 形式的动词 | keeps orbiting · keep orbiting |
| “going to” 表将来 be going to + 动词 — 计划或明显即将发生的事 | is going to represent · I'm going to get |
需要注意的发音
说话人用了 7 次缩略和弱读形式，例如 can't, I'm, I'd。请按听到的简短形式来说。
- “sh” 和 “zh” 音: shade /ʃeɪd/, dash /ˈdæʃ/
中文母语者容易读错的音：
- 词尾辅音 — 要读清楚，后面不要加元音: orbit /ˈɔɹ.bɪt/, lamp /ˈlæ̝mp/, crescent /ˈkɹɛs.ənt/, reflect /ɹɪˈflɛkt/, resource /ɹɪˈzɔːs/
- /æ/ — 嘴张大，不要读成 /e/: lamp /ˈlæ̝mp/, angle /ˈæŋ.ɡəl/, calendar /ˈkæl.ən.də/, banana /bəˈnænə/, dash /ˈdæʃ/
如何用这段视频练习
- 先完整听一遍视频，不要开口，记下不认识的单词。
- 用正常速度逐句跟读，每句重复到你的节奏与说话人一致为止。
- 录下自己的声音并与原声对比，特别注意 orbit, foam, lamp 这类单词。
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。