名词
中文翻译：节约燃料同义词
同义词：
['energy conservation', 'fuel economy']
例句：
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1. The new car has a high fuel efficiency, which means it runs more efficiently.
这款新车燃油效率高，意味着运行更加高效。
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2. To reduce emissions, we need to conserve energy and use less fuel.
为了减少排放，我们需要节约能源并使用更少的燃料。
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3. The government is promoting energy conservation campaigns to encourage people to save fuel.
政府正在推广节能运动，鼓励人们节省燃料。