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How Termite Mounds Regulate Temperature and Airflow Like Living HVAC Systems
白蚁丘如何像活体暖通系统一样调节温度与气流
精读先不看文字，完整听一遍。
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Termite mounds in Africa maintain near-constant internal temperatures despite external swings from 35°C to 5°C daily.非洲白蚁丘内部温度几乎恒定，尽管外界气温每日在35°C至5°C之间波动。
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Their intricate tunnel networks function like lungs, using wind pressure differences to drive passive airflow.其错综复杂的隧道网络如同肺部，利用风压差驱动被动气流。
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Chimneys rise above the mound to create convection currents that pull cool air from underground chambers.烟囱状结构高出蚁丘，形成对流气流，将地下巢室的冷空气向上抽吸。
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Soil composition, wall thickness, and orientation toward prevailing winds all contribute to thermal stability.土壤成分、墙体厚度及朝向盛行风的方向共同维持热稳定性。
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Engineers study these structures to design energy-efficient buildings in hot, arid climates worldwide.工程师研究这些结构，以设计全球炎热干旱地区的节能建筑。
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Sensors placed inside active mounds show airflow reverses direction twice per day with changing wind patterns.置于活跃蚁丘内的传感器显示，气流方向随风向变化每日逆转两次。
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Unlike human HVAC systems, termites achieve regulation without electricity or moving mechanical parts.与人类暖通空调系统不同，白蚁无需电力或活动机械部件即可实现温控。
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The structure’s porosity allows moisture exchange that prevents fungal growth inside humid nest spaces.结构的多孔性允许水分交换，防止潮湿巢室内真菌滋生。
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This biological engineering emerged over millions of years through evolutionary trial and error—not conscious design.这种生物工程历经数百万年演化试错而成，并非有意识的设计。
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It reminds us that nature often solves complex engineering problems long before humans invent tools to replicate them.它提醒我们：自然早已解决复杂工程问题，远早于人类发明工具加以仿效。
精读 · 大约 10 分钟
听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。
③ 学 · 重点表达
- Engineers study these structures to design energy-efficient buildings in hot, arid climates worldwide. 工程师研究这些结构，以设计全球炎热干旱地区的节能建筑。
- Unlike human HVAC systems, termites achieve regulation without electricity or moving mechanical parts. 与人类暖通空调系统不同，白蚁无需电力或活动机械部件即可实现温控。
- Soil composition, wall thickness, and orientation toward prevailing winds all contribute to thermal stability. 土壤成分、墙体厚度及朝向盛行风的方向共同维持热稳定性。
④ 懂 · 选一选
⑤ 今天会说这一句
Engineers study these structures to design energy-efficient buildings in hot, arid climates worldwide.
⑥ 跟读并录音
Engineers study these structures to design energy-efficient buildings in hot, arid climates worldwide.
第一版：录下来、回听、再听标准音。系统打分以后再加。
⑦ 说 · 自己来一句
用今天的表达，自己说一句。
例子：Engineers study these structures to design energy-efficient buildings in hot, arid climates worldwide.
已记下。连续天数以后会显示在课表里。
陈老师指导
课程开发中，敬请期待。成人和孩子都可以先自学听读、精读。
这边的讲解音轨还在做。想先跟着老师走完固定 30 课，可以去陈老师带读社（和自学通行不是同一份会员）。
课程开发中，敬请期待。