| 单词 | sounding board |
| 释义 | Word Frequency sounding boardnoun 1. Also called: soundboard a thin wooden board in a piano or comprising the upper surface of a resonating chamber in a violin, cello, etc, serving to amplify the vibrations produced by the strings passing across it See also belly (sense 6)2. Also called: soundboard a thin screen suspended over a pulpit, stage, etc, to reflect sound towards an audience 3. a person, group, experiment, etc, used to test a new idea, policy, etc, for acceptance or applicability |
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