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What Makes a Wind Turbine Spin
风力涡轮机为什么会转动
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Wind pushes against the big blades of the turbine.风推动涡轮机的巨大叶片。
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The blades turn slowly around a central shaft.叶片围绕中心轴缓慢旋转。
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This spinning moves magnets inside a coil of wire.这种旋转带动线圈内的磁铁运动。
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That motion creates electric current.该运动产生电流。
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Cables send the power to homes and schools.电缆将电力输送至家庭和学校。
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Turbines work best where wind blows often.涡轮机在常年有风的地方效率最高。
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They make no smoke or noise pollution.它们不产生烟尘或噪音污染。
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A single one can power hundreds of houses.一台涡轮机可为数百户家庭供电。