释义 |
notice to mariner 基本Thesaurus 🌏航海通告;航船布告;航行通告 as in.distress signal 同义词 warning signalMayday,SOS,alarm,burglar alarm,call for help,danger signal,fire alarm,flare,signal of distress distress signalnoun internationally recognized signal requesting help Mayday,SOS,alarm,burglar alarm,call for help,danger signal,fire alarm,flare,notice to mariners,signal of distress,warning signal |