Ephemera的翻译，读音

词态

近义词

n. mayflydayfly

例句

A glance told him that "Ephemera" was accepted. 他一眼就看出《蜉蝣》已经被采用。

We had been shown numberless skeletons of a kind of little fly, called an Ephemera, whose successive generations, we were told, were bred and expired within the day. 原因是园里有很多蜉蝣的残尸——所谓蜉蝣，是苍蝇一类的小昆——有人指给我们看了，而且据说它们的寿命很短，一天之内，生生死死好几代就过去了。