常見例句Edison.By 1891 the Kinetograph, a motion-picture camera, was developed. 到1891年,他發(fā)明了一種電影攝影機(jī),稱爲(wèi)活動(dòng)電影攝影機(jī)。geomagnetic electro kinetograph 電流海流計(jì) 返回 kinetograph