单词dobsonfly
n.: 蛇蜻蜓网络: 石蛉;二名法
蛇蜻蜓
复数:dobsonflies
The large , brownish aquatic larva of the dobsonfly , often used as fishing bait .
具角鱼蛉一种大型的,褐色蛇蜻蜓的水生幼虫,常用作钓。