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。

youdao

Sometimes he glanced over the magazines and newspapers to see how "Ephemera" was being maltreated.

他有时也读报纸和杂志，想看看《蜉蝣》遭到了什么样的虐待。

youdao

Pretty good title, eh? 'Ephemera' - it is the one word.

挺漂亮的标题，是么？ ‘蜉蝣’，就是这个词。

youdao

It's the musicians themselves who make the music resonate, while recordings simply catch the ephemera.

NPR: Nicholas Payton: A Different Kind of Blue

And a lot of the ephemera that we were talking about in this campaign are shrinking the insignificance.

NPR: Economy Factors Into New Poll Numbers

But as a former chairman of the Ephemera Society, Mr. Robertson does not seem to consider either his method or his interests as trivial.

WSJ: Book Review: Robertson's Book of Firsts