跟讀練習: Simple Machines – Wedges - 通過影片學習英語口語
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14 句
如果句子過短或過長，請點選 Edit 進行調整。
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A wedge is a triangular shaped simple machine that transforms the direction of force,
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often converting a downward force into a horizontal one.
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It functions through its ability to spread or split objects.
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Here are common examples and applications.
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Axe.
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The wedge-shaped head of an axe is used to split wood, applying downward force that spreads sideways, forcing the wood apart.
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Cutting tools Knives and scissors use wedges to concentrate force on a narrow edge, enabling cutting and slicing.
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Needles Operating on the principle of a wedge, they part fibres, creating a path for thread.
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Doorstops Their wedge shape allows them to resist the force applied by a door, keeping it in place.
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Animal teeth.
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Some, like shark teeth, function as wedges to tear through prey efficiently.
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In industrial and construction settings, wedges are used to split materials like stone and concrete or to hold objects in place.
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Artisans and craftsmen often use chisels, a type of wedge to shape wood and stone.
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Wedges are integral to various tools and devices, facilitating a wide array of tasks and processes by efficiently transforming the applied force.
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本課的詞彙與口語要點
這節 B1 級別的口語課以影片“Simple Machines – Wedges”為素材。 影片中反覆出現的詞有：wedge, force, split, wood。 這段影片共有 14 個句子、186 個單詞可供跟讀。 講話部分時長為 1:32。 說話人語速平穩，每分鐘約 121 個詞，很適合跟讀。 只有 67% 的單詞屬於英語最常用的 3,000 詞，詞彙難度較高。
影片中的重點詞彙
影片中最難的 15 個單詞，附發音和釋義：
| 單詞 | 發音 | 釋義 |
|---|---|---|
| wedge 名詞 | /wɛd͡ʒ/ | 楔, 楔子 |
| transform 動詞 | /tɹænsˈfɔɹm/ | 變換 /變換, 變形 /變形 |
| artisan 名詞 | /ˈɑɹtɪzən/ | 工匠, 匠人 |
| chisel 名詞 | /ˈt͡ʃɪzəl/ | 鑿子 /鑿子 |
| craftsman 名詞 | /ˈkɹæftsmən/ | 工匠, 男工匠 |
| doorstop 名詞 | 門擋 /門擋, 門夾 /門夾 | |
| scissors 名詞 | /ˈsɪzəz/ | 剪刀, 剪子 |
| fibre 名詞 | /ˈfaɪ.bə(ɹ)/ | 纖維 /纖維 |
| horizontal 形容詞 | /ˌhoɹəˈzɑn.təl/ | 水平, 橫的 /橫的 |
| integral 形容詞 | /ˈɪntəɡɹəl/ | 完整的 |
| prey 名詞 | /pɹeɪ/ | 獵物 /獵物 |
| needle 名詞 | /ˈniː.dəl/ | җын, 針 /針 |
| facilitate 動詞 | /fəˈsɪlɪteɪt/ | 使……容易, 輔助 /輔助 |
| slice 名詞 | /slaɪs/ | 片 |
| concentrate 動詞 | /ˈkɑn.sən.tɹeɪt/ | 集中 |
需要注意的發音
- 長單詞——注意重音位置: triangular /tɹaɪˈæŋ.ɡjə.lɚ/, horizontal /ˌhoɹəˈzɑn.təl/, facilitate /fəˈsɪlɪteɪt/
中文母語者容易讀錯的音：
- 詞尾子音 — 要讀清楚，後面不要加母音: wedge /wɛd͡ʒ/, downward /ˈdaʊnwɚd/, sideways /ˈsaɪdweɪz/, scissors /ˈsɪzəz/, facilitate /fəˈsɪlɪteɪt/
- /r/ 和 /l/ 的區別: triangular /tɹaɪˈæŋ.ɡjə.lɚ/, horizontal /ˌhoɹəˈzɑn.təl/, integral /ˈɪntəɡɹəl/
- /æ/ — 嘴張大，不要讀成 /e/: transform /tɹænsˈfɔɹm/, craftsman /ˈkɹæftsmən/, triangular /tɹaɪˈæŋ.ɡjə.lɚ/
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。
- 用正常速度逐句跟讀，每句重複到你的節奏與說話人一致為止。
- 錄下自己的聲音並與原聲對比，特別注意 wedge, transform, artisan 這類單詞。
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。