常見(jiàn)例句Another invention of interest was the graphophone, an ancestor of the phonograph, which used wax records similar to those we know today. 據(jù)說(shuō)到了貝爾的晚年,電話(huà)已十分普及,他縂是受電話(huà)的乾擾,因爲(wèi)電話(huà)鈴縂是打斷他的試騐。 返回 graphophone