资料来源 : WordNet®

snake doctor
     n : slender-bodied non-stinging insect having iridescent wings
         that are outspread at rest; adults and nymphs feed on
         mosquitoes etc. [syn: {dragonfly}, {darning needle}, {devil's
         darning needle}, {sewing needle}, {snake feeder}, {mosquito
         hawk}, {skeeter hawk}]