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Coriolis Force and Hurricane Rotation Direction
科里奥利力与飓风旋转方向
精读先不看文字,完整听一遍。
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Earth's rotation causes moving air and water to deflect right in the Northern Hemisphere.地球自转导致北半球的运动空气和水体向右偏转。
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This apparent deflection is called the Coriolis force, though it's not a real force but an effect of inertia.这种表观偏转称为科里奥利力,但它并非真实存在的力,而是惯性效应。
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In the Southern Hemisphere, winds deflect left, making cyclones spin clockwise instead of counterclockwise.在南半球,风向左偏转,使气旋呈顺时针旋转而非逆时针。
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Hurricanes form only where warm ocean water fuels rising moist air near the equator.飓风仅在赤道附近温暖海面为上升湿空气提供能量的区域形成。
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But they cannot develop exactly on the equator because the Coriolis effect vanishes there.但它们无法在赤道上直接生成,因为赤道处科里奥利效应消失。
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As storm systems grow, the Coriolis force organizes wind into tight rotating spirals.随着风暴系统发展,科里奥利力将风组织成紧密的旋转螺旋结构。
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Meteorologists use this principle to forecast storm paths and intensities accurately.气象学家利用这一原理准确预测风暴路径和强度。
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Small-scale weather events like tornadoes are too brief for Coriolis influence to dominate.龙卷风等小尺度天气现象持续时间太短,科里奥利效应难以主导。
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Ocean currents also follow this rule, forming large rotating gyres in each hemisphere.洋流也遵循这一规律,在南北半球分别形成大型旋转环流。
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Understanding this helps explain why typhoons in Asia spin the same way as Atlantic hurricanes.理解这一点有助于解释为何亚洲台风与大西洋飓风旋转方向相同。
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
- Meteorologists use this principle to forecast storm paths and intensities accurately. 气象学家利用这一原理准确预测风暴路径和强度。
- As storm systems grow, the Coriolis force organizes wind into tight rotating spirals. 随着风暴系统发展,科里奥利力将风组织成紧密的旋转螺旋结构。
- Small-scale weather events like tornadoes are too brief for Coriolis influence to dominate. 龙卷风等小尺度天气现象持续时间太短,科里奥利效应难以主导。
④ 懂 · 选一选
⑤ 今天会说这一句
Meteorologists use this principle to forecast storm paths and intensities accurately.
⑥ 跟读并录音
Meteorologists use this principle to forecast storm paths and intensities accurately.
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:Meteorologists use this principle to forecast storm paths and intensities accurately.
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。