phonoscope

/foh-nuh-skohp/US // ˈfoʊ nəˌskoʊp //UK // (ˈfəʊnəˌskəʊp) //

听诊器,音箱,听筒,音响

Definitions

n.名词 noun

1
- : an instrument for making visible the motions or properties of a sounding body.
- : a device for testing the quality of strings for musical instruments.