mayflies

The body size of leptophlebiid mayflies are usually very small, many microscopical and SEM structures have been employed in previous work.
细裳蜉科蜉蝣个体较小，对本科的研究又相对较深入，很多情况下要用到极细微结构特征。
Millions upon millions of mayflies take to the air for a single devastating act to mate and then die.
数以百万计的蜉蝣飞向空中，执行一项致命任务。
Other technologies have come and gone like mayflies.
Mayflies in streams where trout were released now forage at night to avoid the fast-swimming predators.
在鳟鱼野放后，溪流中的蜉蝣改在夜间觅食，以避开游动迅速的掠食者；
And in spite of everything Piotr still believed that we are mayflies who only live for an afternoon.
无论如何，也无论怎样，彼得亚雷仍然相信，我们是仅存活一个下午的蜉蝣生物。
Ayieko has proof that they are beneficial: for example, both mayflies and termites help lactating mothers to produce milk.
Ayieko证明了这些昆虫是有益的：例如，蝼蛄和白蚁都可以帮助哺乳期的母亲产生母乳。
The bracing and fusing pattern of longitudinal veins at base in living mayflies (Insecta: Ephemeroptera)
现存蜉蝣翅基纵脉走向及愈合模式（昆虫纲：蜉蝣目）