| 释义 |
蜉fú[蜉蝣](fúyóu)昆虫的一科。若虫生活在水中一年至五、六年。成虫有翅两对,常在水面飞行,寿命很短,只有数小时至一星期左右。{mayfly (Epheme roptera); member of the insect family whose nymphs live in water for five or six years and whose imagoes oft. skim water surfaces on two pairs of wings and have a brief lifespan of a few hours to about one week} |