单词 | mechanical clock |
释义 | mechanical clock By the middle of the 17th century, clocks had become more and more commonplace, the mechanical clock having been revolutionised by the invention of the pendulum. Times, Sunday Times In 1979, the original mechanical clock was converted partly to an electrical one. Retrieved from Wikipedia CC BY-SA 3.0 This was due to the development of the mechanical clock, which became more accurate, smaller and cheaper, and made keeping time easier. Retrieved from Wikipedia CC BY-SA 3.0 The building was made of limestone, had a large copper door, and contained a mechanical clock in the clock tower. Retrieved from Wikipedia CC BY-SA 3.0 In the tower the mechanical clock was installed in 1927. Retrieved from Wikipedia CC BY-SA 3.0 |
随便看 |
|
英语词典包含147115条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。