| 释义 |
notice to mariners
基本Thesaurus
航海通告
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,signal of distress,warning signal |