sounding-board

英 ['saʊndɪŋb'ɔːd] 美 ['saʊndɪŋb'ɔːd]

• n. 共鸣板

英英释义

名词 sounding board:

1. a person whose reactions to something serve as an indication of its acceptability

2. (music) resonator consisting of a thin board whose vibrations reinforce the sound of the instrument