蜉蝣的寿命“寄蜉游于天地,渺沧海之一粟。”这是《赤壁赋》中的句子,苏轼借写天地间的蜉蝣与大海中的一粟,来感叹生命的短暂以及人的渺小。蜉蝣成虫不进食,寿命短,一般只活几小时至数天,所以有“朝生暮死”之说。就这样,蜉蝣成了“短命”的代名词。的确,成虫不取食,寿命很短。它们在短时间内完成繁衍后代的任务,然后凄然死亡。但是我们需要知道的一点是:蜉蝣的卵沉到河底后,幼虫在河底会 “This is the” Chibi Fu “in the sentence, Su Shi by writing between heaven and earth and a drop in the ocean, to lament the short life as well as people Small. Undead does not eat adult worms, short life expectancy, usually only live a few hours to several days, so there . In this way, 蜉 蝣 became synonymous with ”short-lived." Indeed, adults do not feed, life is short. They accomplish the task of breeding offspring in a short period of time, then died in a mournful death. But one thing we need to know is that when the sluggish eggs sink to the bottom of the river,