1793Sir G. Shuckburgh in Phil. Trans. LXXXIII. 88 The spring, by which the pendulum is suspended..so constructed as to produce cycloidical arcs of vibration.
英语词典包含277258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。