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Why Do Some Clouds Look Like Fluffy Cotton Balls?
为什么有些云看起来像蓬松的棉花球?
精读先不看文字,完整听一遍。
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These puffy clouds are called cumulus clouds and form on sunny days.这些蓬松的云称为积云,通常在晴天形成。
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Warm air rises and cools as it goes higher in the sky.暖空气上升时,随着高度增加而逐渐冷却。
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When cooled air reaches its dew point, water vapor turns into tiny droplets.当冷却的空气达到露点时,水蒸气便凝结成微小水滴。
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Droplets gather around dust or salt particles to build visible clouds.水滴围绕尘埃或盐粒聚集,形成肉眼可见的云。
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Strong updrafts keep them tall and fluffy in shape.强烈的上升气流使其保持高耸蓬松的形态。
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They usually mean fair weather unless they grow very large.它们通常预示好天气,除非变得异常庞大。
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No rain falls from small cumulus clouds most of the time.小型积云大多数时候不会降雨。
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Watching cloud shapes helps us understand air movement and moisture.观察云的形状有助于我们了解空气运动和湿度状况。
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
- Strong updrafts keep them tall and fluffy in shape. 强烈的上升气流使其保持高耸蓬松的形态。
- They usually mean fair weather unless they grow very large. 它们通常预示好天气,除非变得异常庞大。
- Watching cloud shapes helps us understand air movement and moisture. 观察云的形状有助于我们了解空气运动和湿度状况。
④ 懂 · 选一选
⑤ 今天会说这一句
Strong updrafts keep them tall and fluffy in shape.
⑥ 跟读并录音
Strong updrafts keep them tall and fluffy in shape.
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:Strong updrafts keep them tall and fluffy in shape.
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。