acoumeter 聽力計
acou·me·ter /əˈkumətɚ, ˈækˌuˌmɪtɚ/ 名詞 測聽計,電子聽力計,聽力測驗器,聽力計
A·cou·me·ter n. Physics. An instrument for measuring the acuteness of the sense of hearing. ◄ ►