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sounding board ['saundɪŋbɔːd]
tech.	Resonanzboden m; Resonanzkasten m
sounding-board ['saundɪŋbɔ:d]
fig.	Soundingboard Diskutant, Diskussionsgruppe im Projektmanagement
nat.res.	Schallboden m

sounding- board: 2 phrases in 1 subject

Construction

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