sound buoy声: sound; voice信号: signal; semaphore; gun浮标: buoy; staff float; drogue; d ...信号浮标: flag float; signalling buoy临时信号浮标: dan buoy; marker buoy; watch buoy下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:声信号浮标，即可在微信中查询翻译
