opeidoscope
📖 中文释义
- [医] 喉音振动测验器
📘 English Definition（英文释义）
- 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.