mark boat标志: sign; mark; symbol; hallmark ...船: boat; ship; vessels沉程标志船: wreck marking vessel航程标志船: stake-boat航海日志船舶日志: official logbook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:标志船，即可在微信中查询翻译
