Quizzes for review
The ultrasonic microphones recorded the bats' rapid calls that were beyond the range of human hearing.
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The ultrasonic microphones recorded the bats' rapid calls that were beyond the range of human hearing.
音声機能が動作しない場合はこちらをご確認ください
Related words
ultrasonic
Adjective
Japanese Meaning
20キロヘルツ以上の高周波をもつ、超音波に関する / 人間の耳で感知できる音域を超える周波数の音に関する
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