e·phem·er·a

noun

/ɪˈfemərə/

[plural]

things that are important or used for only a short period of time只在短期内有用的事物
- 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
Word Originlate 16th cent.: plural of ephemeron, from Greek, neuter of ephēmeros ‘lasting only a day’. As a singular noun the word originally denoted a plant said by ancient writers to last only one day, or an insect with a short lifespan, and hence was applied (late 18th cent.) to a person or thing of short-lived interest. Current use has been influenced by plurals such as trivia and memorabilia.

单词	ephemera
释义	e·phem·er·a noun /ɪˈfemərə/ /ɪˈfemərə/ [plural] things that are important or used for only a short period of time只在短期内有用的事物 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 Word Originlate 16th cent.: plural of ephemeron, from Greek, neuter of ephēmeros ‘lasting only a day’. As a singular noun the word originally denoted a plant said by ancient writers to last only one day, or an insect with a short lifespan, and hence was applied (late 18th cent.) to a person or thing of short-lived interest. Current use has been influenced by plurals such as trivia and memorabilia.
随便看	protectional protectionism protectionisms protectionist protectionistic protectionists protection order protection-order protections protective protective custody protective-custody protectivecustody protectively protectiveness protectivenesses protectives Protector protector protectoral protectorate protectorates protectorial protectorless protectors