详细解释:n. 蜻蜓
词型变化：
名词复数:dragonflies英语解释：
名词 dragonfly:
slender-bodied non-stinging insect having iridescent wings that are outspread at rest; adults and nymphs feed on mosquitoes etc.同义词：darning needle, devil's darning needle, sewing needle, snake feeder, snake doctor, mosquito hawk, skeeter hawk