day fly

英 美
  • 蜉蝣
  • day n.白天;一天;时代
  • fly v.飞;坐飞机;驾驶;逃跑;悬挂n.苍蝇;飞行;两翼昆虫
名词 dayfly:
  1. slender insect with delicate membranous wings having an aquatic larval stage and terrestrial adult stage usually lasting less than two days