dobsonfly是什么意思？

dobsonfly

英['dɒbsənflaɪ] 美['dɒbsənˌflaɪ]

• n. 蛇蜻蜓（翅色灰白，其幼虫常用做钓饵）；

英英词典释义

• Noun
  1. large soft-bodied insect having long slender mandibles in the male; aquatic larvae often used as bait