跟讀練習: English Vocabulary for Engineering: Bolts - 通過影片學習英語口語
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25 句
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So we're going to talk about some of the vocabulary that you use with bolts.
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Now a bolt fastens pieces together and
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because it fastens things it is also known in a group of things that we use called fasteners.
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A screw is another one for example.
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This is the head of the bolt and
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if we take this measurement across the head of the bolt this will give us the size of the spanner
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or wrench that we need to use for the bolt.
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So if this measurement across the head is 12 millimeters we need a 12 millimeter spanner or wrench.
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Now a spanner is British English and wrench is American English.
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A bolt also has a thread and if we measure the diameter of the thread, this will give us the size of the bolt.
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So if the diameter measures 8mm, we have a size 8 or a number 8 bolt.
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The thread on a bolt is cut.
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Normally, nowadays, the thread is cut using a CNC machine.
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But for a one-off piece, you also need to use this.
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And this is a die.
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And you cut a thread, an external thread, with a die.
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What you can do with a bolt is you can tighten it.
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and if you tighten it, you move your spanner in a clockwise direction.
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You can also loosen a bolt, and if you loosen a bolt,
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you turn the spanner in an anticlockwise direction or a counterclockwise.
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Anticlockwise is British English, and counterclockwise is American English.
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So that's the vocabulary for a bolt.
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I hope you find it useful.
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And please subscribe to the channel if you haven't already.
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And maybe give me a like.
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本課的詞彙與口語要點
這節 B2 級別的口語課以影片“English Vocabulary for Engineering: Bolts”為素材。 影片中反覆出現的詞有：bolt, thread, spanner, English, wrench。 這段影片共有 25 個句子、281 個單詞可供跟讀。 講話部分時長為 2:16。 說話人語速平穩，每分鐘約 124 個詞，很適合跟讀。 只有 73% 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 13 個單詞，附發音和釋義：
| 單詞 | 發音 | 釋義 |
|---|---|---|
| bolt 名詞 | /boʊlt/ | 螺栓 |
| spanner 名詞 | /ˈspænə/ | 扳手, 扳子 |
| anticlockwise 形容詞 | /ˌæn.tɪˈklɑkˌwaɪz/ | 反時針方向的 /反時針方向的, 逆時針的 /逆時針的 |
| fasten 動詞 | /ˈfæsn̩/ | 繫住, 扣住 |
| loosen 動詞 | /ˈluːsən/ | 鬆開 /鬆開 |
| vocabulary 名詞 | /vəˈkæb.jə.lə.ɹi/ | 詞匯 /詞彙, 語匯 /語彙 |
| measurement 名詞 | /ˈmɛʒ.ə.mənt/ | 尺寸 |
| diameter 名詞 | /daɪˈæmɪdɚ/ | 直徑 /直徑 |
| clockwise 副詞 | /ˈklɒkwaɪz/ | 順時針 /順時針 |
| fastener 名詞 | /ˈfɑːsənə/ | 緊固物 /緊固物, 鋏 /鋏 |
| millimetre 名詞 | 毫米, 公釐 /公釐 | |
| subscribe 動詞 | /səbˈskɹaɪb/ | 簽署 /簽署 |
| nowadays 副詞 | /ˈnaʊ.ə.deɪz/ | 現在 /現在, 現今 /現今 |
需要注意的發音
- 長單詞——注意重音位置: anticlockwise /ˌæn.tɪˈklɑkˌwaɪz/, vocabulary /vəˈkæb.jə.lə.ɹi/, diameter /daɪˈæmɪdɚ/
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: bolt /boʊlt/, wrench /ˈɹɛnt͡ʃ/, anticlockwise /ˌæn.tɪˈklɑkˌwaɪz/, measurement /ˈmɛʒ.ə.mənt/, clockwise /ˈklɒkwaɪz/
- /æ/ — 嘴張大，不要讀成 /e/: spanner /ˈspænə/, anticlockwise /ˌæn.tɪˈklɑkˌwaɪz/, fasten /ˈfæsn̩/, vocabulary /vəˈkæb.jə.lə.ɹi/, diameter /daɪˈæmɪdɚ/
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 bolt, spanner, anticlockwise 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。