fishflyWiktionary 原文构词拆分fish词根/词干+fly词根/词干词源说明From fish + fly.释义（英文）名词 Noun(Canada) A mayfly.Any insect in the corydalid subfamily Chauliodinae. Unlike most dobsonflies (subfamily Corydalinae) they don't have the enlarged mandibles typical (at least in the males) of that subfamily.