测弦器一种由一个带有一根弦和可移动琴马的共鸣箱组成的不用电传音的乐器,用于细察音调
An acoustical instrument consisting of a sounding box with one string and a movable bridge, used to study musical tones.
非电传音乐器
An acoustic instrument.
这个音乐厅的传音效果极好。
The acoustics of this concert hall are excellent.