名词
中文翻译：能量
同义词：
['power', 'vitality', 'force']
例句：
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1.The energy of the sun is enough to power a city for a year.
太阳的能量足以供一座城市使用一年。
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2. The scientist used his energy to solve the mystery.
科学家用他的精力解决了这个谜题。
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3. Energy conservation is essential for sustainable development.
节能对于可持续发展至关重要。