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单词
pistonphone
释义
pis·ton·phone
\-ˌfōn\
noun
Etymology:
piston + -phone
:
an instrument for measuring acoustic intensity by the displacement of a piston resulting from the sound pressure upon it
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英语词典包含332784条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/7/21 17:40:19