ephemera

noun

1. 只在短期内有用的事物
   things that are important or used for only a short period of time
   1. a collection of postcards, tickets and other ephemera
      明信片、票证和其他短时效物品的收藏系列

1. 昙花一现的事物
   You can refer to things which last for only a short time as ephemera .
2. N-UNCOUNT 只在短期内有用之物;（短期内有用之物的）收藏品
   Ephemera is things people collect such as old postcards, posters, and bus tickets, which were only intended to last a short time when they were produced.
   1. ...tickets and other printed ephemera.
      票据和其他短时效的印刷品
   2. ...Victorian ephemera.
      维多利亚时期短时效用品的收藏

1. Then the tribute the mob paid him was a sorry tribute indeed, for that same mob had wallowed "Ephemera" into the mire.
   那么那群氓对他的礼赞也就只能令人遗憾了，因为把布里森登的《蜉蝣》拱到了烂泥里的也是那同样的群氓。
2. Ministers began to preach sermons against "Ephemera," and one, who too stoutly stood for much of its content, was expelled for heresy.
   牧师们开始布道，反对《蜉蝣》，有一个牧师因为坚决维护那诗的内容，竟被以异端罪逐出了教会。
3. National defense spending. The fatal effects of clothing. The relationship of diet to national destiny. Much of it was ephemera or idiocy, best forgotten.
   教育改革，国防开支，衣物对身体的致命影响，饮食习惯对民族命运的影响，这些要么是蜉蝣撼大树，要么超级白痴，只有被遗忘的下场。
4. After leaving the show, visitors can buy ephemera like framed posters of water lilies at a gift shop.
   看完展览后，游客们可以在礼品店里购买带框的睡莲海报等小物件。
5. But what will fame be to an ephemera who no longer exists?
   可是蜉蝣已死，还要身后名何用？
6. But angiomas in this part of the brain have also been associated visual aury ephemera.
   但脑子中这个部位的血管瘤也会和瞬时视觉相关。
7. "Newspapers aren't called ephemera for nothing," said Lisa Zaslow, a professional organizer who runs Gotham Organizers in New York.
   经营纽约GothamOrganizers服务公司的专业整理家LisaZaslow说：“蜉蝣”不是平白无故的，它们被印制在不稳定的木浆上面。
8. Oh, yes, man, the latest of the ephemera.
   哦，对了，人呀，最后的蜉蝣。
9. Until now I have simply been a newspaper columnist who writes about paper clips, daft management initiatives and other office ephemera, so the news that I have landed a responsible position has attracted a certain amount of comment.
   在这之前，我只是一个报纸专栏作家，只会写写文章，聊聊纸夹、愚蠢的管理创举以及其它一些办公室琐事。所以，我空降到一个负责任岗位的新闻很是引发了一些评论。
10. "life is like Ephemera in the world, a drop in the sea", in the vast universe, life is short.
    “寄蜉蝣于天地，渺沧海之一粟”，在茫茫的宇宙中，人的一生是很短暂的。
11. A glance told him that "Ephemera" was accepted.
    他一眼就看出《蜉蝣》已经被使用。
12. Finally, an advantage of collecting ephemera is that, thanks to the modest prices items raise, this is a field that is relatively free from hazards such as faking.
    最后，鉴于其低廉的价格，收藏蜉蝣的一个优势就是，在这个领域，几乎不怕遇到赝品的风险。
13. 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。
14. I don't know, do you? I have always thought of them as ephemera, like mayflies.
    我不知道。我一直认为他们犹如蜉蝣一般，生活及其短暂。
15. According to the well-bottom pressure solution of Finite-conductivity Vertical Fractured Well Math Model, which is transformed in Mathematics, the Binomial Ephemera Productivity Forecast Model was derived.
    依据有限导流垂直压裂井的渗流数学模型求得的井底压力解，通过数学变换，得到了有限导流垂直压裂井的二项式瞬态产能预测模型。

noun

1. something transitory