双语例句原声例句
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为什么浪费热量？
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你可以把热能便成功，也可以反过来，但它对于如果你要把热变成功，就必须浪费热量这件事只字未提，它只是说这是能量。
You can take heat energy and convert it to work energy and vice versa, and it doesn't say anything about that you have to waste heat if you're going to transform heat into work.
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其中40%的电能用于老式白炽灯——这是19世纪的一项技术，它所消耗的大部分电能都浪费在制造多余的热量上。
Forty percent of that powers old-fashioned incandescent light bulbs—a 19th-century technology that wastes most of the power it consumes on unwanted heat.
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You can take heat energy and convert it to work energy and vice versa, and it doesn't say anything about that you have to waste heat if you're going to transform heat into work.
你可以把热能便成功,也可以反过来,但它对于如果你要把热变成功,就必须浪费热量这件事只字未提,它只是说这是能量。
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Otherwise you're going to waste some of that heat somewhere along the way, some of energy.
否则你就必须在这个过程中,浪费一些热量。
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You're always wasting energy into heat somewhere when you dochange that involves mechanical change.
当进行与机械运动有关的变化时,总会有能量变成热量而被浪费掉。
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