noun ダウンロード 🔗共有 水中聴音器 A transducer that converts underwater sound waves into electrical signals, rather like a microphone Examples : "The marine biologist lowered the hydrophone into the water to listen for whale songs. " 海洋生物学者は、クジラの歌を聞くために水中聴音器を水中に降ろした。 sound technology electronics nautical ocean device signal machine technical physics communication AIとチャット語彙ゲーム読解練習