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1. 氢元素
Hydrogen
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2. 热
Heat
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3. 热电效应
Thermoelectric effect
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1. The hydrogen molecule is a key component of water.
氢分子是水的关键成分。
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2. The heat from the sun warms the earth's surface.
太阳的热量使地球表面变暖。
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3. Thermoelectric generators convert heat into electricity.
热电发电机将热量转化为电能。