声纳 声纳的英文 英语翻译 sonarsonaracoustic susceptance 拓展翻译 扫描声纳scanning sonar生物声纳biosonar声纳背景杂音sonar background noise声纳发射机sonar transmitter声纳分解器sonar resolver声纳浮标sonobuoy声纳接收机sonar receiver声纳阵列sonar array声纳自杂讯sonar self-noise热线扬声器hot-wire loudspeaker热噪声thermal noisethermo-noise人民的呼声vox populi人为噪声man-made noise人造回声artificial echo忍气吞声submit to humiliation锐声snap飒飒的声音whisper飒飒声rustle飒飒之声sough塞擦声affricate