conserve的英语例句
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They had to conserve the candles now with winter upon them.
冬天眼看就要到了,他们不得不把蜡烛省着用。
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Help to conserve energy by insulating your home.
对房屋做隔热处理来帮助节约能源。
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The republic's factories have closed for the weekend to conserve energy.
为了节约能源,该共和国的工厂周末不开工。
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