跟讀練習: Introduction - 通過影片學習英語口語
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21 句
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Hello, I'm Aurelie Favier, project manager of this course
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and I would like to welcome you to Cement Chemistry and Sustainable Cement Tissues Materials.
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This course will introduce you the basics of cement duration and how to develop and characterize low-carbon cement.
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It is divided in two main parts.
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The first part will introduce the sustainability and the chemistry of cement tissue materials during four weeks.
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The last two weeks will focus on the use of X-ray diffraction for the analysis of low carbon cements.
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During the first week, Professor Scrivener introduced you to the challenges facing research and development of cement.
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It will detail the viable solution to meet the ecological challenges and growing demand for building materials.
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In week two, we will begin the courses on hydration of cement.
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You will learn how evolves the microstructure and the consequence on the properties at short, medium and long term.
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To complete the course on hydration, Week 3 will be devoted for tutorial of the use of
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scanning electron microscopy on polished surface to characterize the cement during hydration.
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The first video will explain how to stop hydration, prepare and polish sample for microscopy.
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Then the second tutorial will show how to use a SCM to identify the phases and quantify them.
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The last week of the first part will detail the different kinetics of cement hydration
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and will be illustrated with a tutorial on isothermal calorimetry to monitor the progress of a reaction.
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Finally, the two last week will focus on the use of X3 diffraction to characterize enhydrocements, hydrated phases and supplementary cement issues materials.
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You will find different demonstration videos to illustrate the data acquisition, phases identifications and quantification that we've implemented.
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Throughout this course, we will find quizzes, exercises, documents and complementary links.
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as well as videos on the development of Lampstone Calcene clay cements called LC3.
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The whole team thank you for your participation and wish you a good time with us.
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這個影片適合誰？
該影片適合有一定英語基礎、希望提升專業領域口語表達的學習者。內容圍繞水泥化學課程介紹展開，涉及學術專案描述、課程結構講解等實用場景，非常適合需要練習 英語口語練習 或準備學術 presentation 的學習者。通過模仿影片中的清晰表達，能有效提升說明性話語的組織能力。
值得借鑑的詞彙與表達
影片中多個實用表達可用於學術或正式場景：
- be divided in two main parts：分為兩個主要部分，可替換 "have two parts"，使表達更正式。
- be devoted to：致力於、專注於，用於描述課程或工作重點，如 "Week 3 will be devoted to tutorials"。
- monitor the progress of a reaction：監測反應程序，"monitor the progress of..." 是學術寫作與口語中的高頻結構。
- complementary links：補充連結，"complementary" 比 "additional" 更強調互補性。
如何練好發音？
影片 speaker 發音清晰，語速適中，適合 shadow speech 練習。重點關注以下幾點：
- 單詞重音：如 "sustainability"（[səˌsteɪnəˈbɪləti]），重音在倒數第三個音節；"characterize"（[ˈkærəktəraɪz]），重音在第一個音節。
- 連讀現象：如 "introduce you to" 中 "you to" 可連讀為 /juːtuː/；"focus on the use" 中 "on the" 連讀為 /ɒnðə/。
- 語調起伏：在列舉課程內容時（如 "Week 1... Week 2... Week 3..."），speaker 會用升調表示列舉，降調結束，模仿時需注意節奏變化。
建議使用 shadowing site 逐句跟讀，對比自身發音與 speaker 的差異，尤其注意介詞短語（如 "in two main parts"）的弱讀處理，提升口語流暢度。
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。