(n.) An optical instrument or toy for showing the
presistence of an impression upon the eyes after the luminous object is
withdrawn.
校对:伍德罗
双语例句
The thaumatrope, which originated with Sir John Herschel, consists of a thin disc, bearing on opposite sides two associated objects, such as a bird and a cage, or a horse and a man. Edward W. Byrn.十九世纪发明进展.