跟读练习: VOA Learning English - Agriculture Report # 395 - 通过YouTube学习英语口语
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This is the VOA Special English Agriculture Report.
42 句
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This is the VOA Special English Agriculture Report.
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Mulch is material spread over soil.
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It protects against wind and rain damage.
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It can also limit weed growth.
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Finding materials for organic mulch can be easy.
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Small pieces of tree bark or cut-up leaves can be used.
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Some people use grass cuttings or newspapers.
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Others use inorganic material such as shredded rubber from tires.
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Mulch is important for home gardens but also to farm.
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Farmers may keep the remains of maize or other crops on top of the soil.
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The crop waste creates mulch.
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This practice is called conservation tillage.
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Organic mulch protects but also improves the condition of the soil.
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It provides nutrients for plants.
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It also provides a good environment for earthworms and other helpful organisms in the soil.
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As the mulch breaks down,
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it provides material that keeps the soil from getting hard.
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This improves the growth of roots and increases the movement of water through the soil.
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The mulch also improves the ability of the soil to hold moisture.
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Experts generally suggest laying mulch to a depth of about 10 centimeters.
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If finer materials are used,
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such as cut grass, the depth should be 2.5 a half centimeters.
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The same is true if compost is used for mulch.
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Too much mulch can restrict oxygen and water flow to the soil and harm roots.
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Also, do not build up mulch around the base of trees or plants like a volcano.
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This could lead to disease or insect damage.
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Some gardeners use leaf mulch,
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fine particles of leaves, instead of wood mulch around trees, especially young trees.
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Leaf mulch can also be used in flower beds.
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Mulching is one of the best things people can do for their gardens.
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It helps keep the soil from getting dry,
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so it reduces the need for watering.
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It also limits temperature changes in the soil.
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Mulch forms a barrier between the soil and the air.
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As a result, mulched soil will be cooler in the summertime,
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and in winter it may not freeze as deeply as areas without mulch.
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Mulch can be added late in autumn to help moderate the effects of winter weather.
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The best time is after the ground has frozen,
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but before the coldest weather arrives.
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Spreading mulch before the ground has frozen may attract small animals searching for a warm place to spend the winter.
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And that's the VOA Special English Agriculture Report.
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Archives of our reports, including last Last week's explanation of compost can be found at voaspecialenglish.com.
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背景与概况
在这一期的VOA特别英语农业报告中，讲解了覆盖物（Mulch）的重要性及其在农业和家庭花园中的应用。覆盖物不仅能够保护土壤免受风雨侵蚀，还可以抑制杂草的生长。视频中提到多种适合制作有机覆盖物的材料，这些知识对于想要改善土壤状况和促进植物生长的英语言学习者颇具价值。这也是进行英语听说练习的好材料，特别适合那些通过看YouTube学英语的学习者。
日常交流的五个重点短语
- 覆盖物（Mulch） - 保护土壤的材料。
- 有机覆盖物 - 例如树皮或切碎的叶子。
- 保育耕作（Conservation tillage） - 一种保持作物废物在土壤表面的耕作方法。
- 改善土壤条件 - 覆盖物如何提供植物所需的养分。
- 水分保持能力 - 覆盖物如何帮助土壤保持湿润。
逐步影子练习指南
要增强你的英语口语能力，可以采用“影子练习（shadowspeak）”的方法，通过模仿视频中的发音和语调进行练习。以下是逐步指南：
- 选择视频片段：找到这段农业报告，初次观看时集中注意力在内容上。
- 暂停和回放：在关键短语处暂停，重复说出这些句子，以加深记忆，尤其是“覆盖物”这一术语。
- 注意语音语调：根据主讲人的语调调整自己的发音，确保语音自然流畅。
- 练习发音：记录自己的声音并与原视频进行比较，找出需要改进的地方。
- 定期练习：每天做一次影子练习，逐渐提高语言能力，增强自信心。
运用“shadowspeaks”技巧，可以使你在日常对话中更加自信与流利。融合这些短语和技巧，成为一个能够自如交流的英语使用者。
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。