跟读练习: Construction Chemicals | ReAgent Chemicals - 通过视频学习英语口语
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17 句
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Construction chemicals are used to improve the strength, durability and performance of materials in building and infrastructure projects.
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They help concrete set properly, prevent corrosion, control moisture and extend the life of structures.
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At Reagent, we manufacture and supply a wide range of chemicals for the construction industry.
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Our products are used in everything from concrete admixtures and surface treatments to sealants, coatings and cleaning agents.
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Whether it's treating concrete or protecting steel, the chemicals we manufacture are used by companies across the construction supply chain.
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Reagent offers tailored formulations for the specific technical demands of construction applications.
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We supply high purity acids,
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solvents, pH adjusters and corrosion inhibitors that are used to prepare and protect surfaces and materials.
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Flexible production volumes are available to suit your needs, whether that's small trial batches or industrial scale supply.
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We also provide batch traceability and full technical support.
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Our ISO 9001, 14001 and 45001 certifications reflect the strict quality,
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environmental and safety standards we follow.
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Every product we manufacture is checked for consistency and compliance by our in -house quality and technical teams,
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ensuring it's ready for use in construction environments from material preparation
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to surface protection the construction industry depends on chemical suppliers who deliver precision safety
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and dependability get in touch to see how reagent can support your business
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Transcription by CastingWords You
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本课的词汇与口语要点
这节口语课以视频“Construction Chemicals”为素材。 视频中反复出现的词有：construction, chemical, supply, reagent, manufacture。 这段视频共有 17 个句子、220 个单词可供跟读。 讲话部分时长为 2:44。 说话人语速较慢，每分钟约 81 个词，你有足够的时间模仿每一个音。 只有 75% 的单词属于英语最常用的 3,000 词，词汇难度较高。
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 |
|---|---|---|
| concrete 形容词 | /ˌkɑnˈkɹit/ | 切實的 /切实的, 具體的 /具体的 |
| batch 名词 | /bæt͡ʃ/ | 批次, 批 |
| infrastructure 名词 | /ˈɪnfɹəˌstɹʌkt͡ʃə/ | 基礎設施 /基础设施 |
| acid 名词 | /ˈæsɪd/ | 酸 |
| reflect 动词 | /ɹɪˈflɛkt/ | 反映, 反射 |
| preparation 名词 | /ˌpɹɛpəˈɹeɪʃ(ə)n/ | 準備 /准备 |
| depend 动词 | /dɪˈpɛnd/ | 信任, 信賴 /信赖 |
| compliance 名词 | /kəmˈplaɪ.əns/ | 遵守, 服從 /服从 |
| flexible 形容词 | /ˈflɛk.sɪ.bəl/ | 靈活 /灵活 |
| precision 名词 | /pɹɪˈsɪʒ.ən/ | 精度, 準確度 /准确度 |
| certification 名词 | /ˌsɜː.tɪ.fɪˈkeɪ.ʃən/ | 認證 /认证 |
| moisture 名词 | /ˈmɔɪs.t͡ʃɚ/ | 濕氣 /湿气 |
| supplier 名词 | /səˈplaɪə/ | 供應商 /供应商, 供應者 /供应者 |
| coating 名词 | /ˈkoʊtɪŋ/ | 塗層 /涂层 |
| purity 名词 | /ˈpjʊɹɪti/ | 純度 /纯度 |
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 |
|---|---|
| 被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的 | is checked |
需要注意的发音
- “sh” 和 “zh” 音: preparation /ˌpɹɛpəˈɹeɪʃ(ə)n/, precision /pɹɪˈsɪʒ.ən/, certification /ˌsɜː.tɪ.fɪˈkeɪ.ʃən/, transcription /tɹænˈskɹɪpʃən/, corrosion /kəˈɹoʊʒən/
- 长单词——注意重音位置: infrastructure /ˈɪnfɹəˌstɹʌkt͡ʃə/, preparation /ˌpɹɛpəˈɹeɪʃ(ə)n/, consistency /kənˈsɪs.tən.si/, certification /ˌsɜː.tɪ.fɪˈkeɪ.ʃən/, durability /dəɹəˈbɪləti/
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: concrete /ˌkɑnˈkɹit/, batch /bæt͡ʃ/, acid /ˈæsɪd/, reflect /ɹɪˈflɛkt/, extend /ɛkˈstɛnd/
- /r/ 和 /l/ 的区别: reflect /ɹɪˈflɛkt/, durability /dəɹəˈbɪləti/, traceability /ˌtɹeɪsəˈbɪlɪti/
- /æ/ — 嘴张大，不要读成 /e/: batch /bæt͡ʃ/, acid /ˈæsɪd/, transcription /tɹænˈskɹɪpʃən/
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 concrete, batch, infrastructure 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。