opeidoscope的翻译，读音
释义：
[医] 喉音振动测验器
n. An instrument, consisting of a tube having one end
open and the other end covered with a thin flexible membrance to the
center of which is attached a small mirror. It is used for exhibiting
upon a screen, by means of rays reflected from the mirror, the
vibratory motions caused by sounds produced at the open end of the
tube, as by speaking or singing into it.
n. An instrument, consisting of a tube having one end
open and the other end covered with a thin flexible membrance to the
center of which is attached a small mirror. It is used for exhibiting
upon a screen, by means of rays reflected from the mirror, the
vibratory motions caused by sounds produced at the open end of the
tube, as by speaking or singing into it.