| 释义 |
perpetual motion machine短语¹⁰⁶¹⁰⁰⁺⁵
基本英英例句
永动机
Noun:
a machine that can continue to do work indefinitely without drawing energy from some external source; impossible under the law of conservation of energy And an unrealistic goal like inventing a perpetual motion machine is absolutely meaningless.
而像“发明永动机”这样不切实际的目标则毫无意义。 xiaoma
As long as they do the micro to the macro- energy sustainable energy conversion, you can create a perpetual motion machine.
只要能够做到将微观能量可持续的向宏观能量转化，就能制造出永动机。 blog.sina.com.cn
Charles Redheffer raised large sums of money in Philadelphia with a perpetual motion machine and then took it to New York in 1813, where hundreds paid a dollar each to see it.
查尔斯·李德黑法 Charles Redheffer凭永动机在费城筹集了巨款，又于1813年将它带到纽约，数百人都花一美元来看该机器。 hjenglish
He is adamant that this is not a perpetual motion machine, and does not violate the law of conservation of momentum because different reference frames apply to the drive and the waves within it.
他坚持认为这并非永动机，也没有违反能量守恒定律，因为驱动器和里面的微波使用不同的坐标系。 yeeyan
Making energy like the sun does might too cheap to meter or as uneconomical as a perpetual motion machine.
像太阳一样产生能量可能会太便宜以至于无法计费，或是像永动机一样太不合算。 yeeyan |