aide-memoire
noun/ˌeɪd memˈwɑː(r)/
/ˌeɪd memˈwɑːr/
(from French) (plural aides-memoire, aides-memoires
/ˌeɪd memˈwɑː(r)/
/ˌeɪd memˈwɑːr/
)- a thing, especially a book or document, that helps you to remember something
帮助记忆的东西（尤指书、文档） Word Originmid 19th cent.: from French aide-mémoire, from aider ‘to help’ and mémoire ‘memory’.