How To Use Acoustic phenomenon In A Sentence

• I recalled a well-known acoustic phenomenon," he wrote, "namely if you place your ear against one end of a wooden beam, the scratch of a pin at the other extremity is most distinctly audible … Taking a sheaf of paper, I rolled it into a very tight roll, one end of which I placed over the praecordial region, while I put my ear to the other. New at Creativity-Portal.com
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