snake doctor英 [sneɪk ˈdɒktə(r)]美 [sneɪk ˈdɑːktər]蛇医英英释义nounslender-bodied non-stinging insect having iridescent wings that are outspread at restSynonym:dragonflydarning needledevil's darning needlesewing needlesnake feedermosquito hawkskeeter hawk双语例句