tuning fork
音叉
tun·ing fork /ˈt(j)unɪŋ-/ 名詞
Tun·ing a. & n. from Tune, v.
Tuning fork Mus., a steel instrument consisting of two prongs and a handle, which, being struck, gives a certain fixed tone. It is used for tuning instruments, or for ascertaining the pitch of tunes.
◄ ►
tuning fork
n : a metal implement with two prongs that gives a fixed tone
when struck; used to tune musical instruments