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现在街上跑的汽车,都是用汽油或柴油做燃料。而当今世界上汽油、柴油资源日趋紧张,我想要发明一种氢动力汽车。
Cars running in the streets now use gasoline or diesel fuel. In today's world, gasoline and diesel resources are becoming increasingly tense. I want to invent a hydrogen-powered vehicle.