| 单词 | sounding board |
| 释义 | sounding board 1. a thin, resonant plate of wood forming part of a musical instrument, and so placed as to enhance the power and quality of the tone. 2. a structure over or behind and above a speaker, orchestra, etc., to reflect the sound toward the audience. 3. a board used in floors, partitions, etc., for deadening sound. 4. a person or persons whose reactions serve as a measure of the effectiveness of the methods, ideas, etc., put forth. 5. a person or group that propagates ideas, opinions, etc.: He was more of a sounding board than a novelist. Also called soundboard. [1760-70] |
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