单词	bat's feces
释义	bat's feces 夜明砂
随便看	underwater sound propagation underwater sound propagation path underwater sound radiation underwater sound reconnaissance mapper Underwater Sound Reference Division Underwater Sound Reference Laboratory underwater sound reverberation underwater sound scattering underwater sound sensor underwater sound signal underwater sound signal detection underwater sound signal recognition underwater sound source underwater sound system underwater sound telephone underwater sound test tank underwater sound transducer underwater sound velocimeter underwater sound wave underwater-source heat pump underwater speaker underwater speakers underwater spectral irradiance meter underwater spectral light absorption meter underwater spectrophotometer