名词
中文翻译：自由散热器
同义词：
['free heater', 'free air conditioner']
例句：
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1.The new car has a free radiator that keeps the engine cool.
这款新车有一个自由散热器，保持发动机冷却。
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2.The hot summer days require a free radiator to keep the house cool.
炎热的夏天需要自由散热器来保持房屋凉爽。
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3.The old car's free radiator was no longer working properly.
旧车的自由散热器不再正常工作了。