Bhaskara's drawing was one of the earliest designs for a perpetual motion machine, a device that can do work indefinitely without any external energy source.
Bhaskara 的图纸是最早的永动机设计之一,这种设备可以在没有任何外部能源的情况下无限期工作。
单词 | external energy |
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原声例句
双语版 TED-Ed 演讲精选 Bhaskara's drawing was one of the earliest designs for a perpetual motion machine, a device that can do work indefinitely without any external energy source. Bhaskara 的图纸是最早的永动机设计之一,这种设备可以在没有任何外部能源的情况下无限期工作。 |
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