- soundlike waves having a frequency below the audible range, that is, below about 16Hz
infrasonic /ˌɪnfrəˈsɒnɪk/ adj
单词 | infrasound |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 in•fra•sound (in′frə sound′),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: infrasound /ˈɪnfrəˌsaʊnd/ n
infrasonic /ˌɪnfrəˈsɒnɪk/ adj |
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