Band-Aid (n.)youdaoicibaDictYouDict[Band-Aid 词源字典]
trademark registered 1924 by Johnson & Johnson for a stick-on gauze pad or strip. See band (n.1) + aid (n.). The British equivalent was Elastoplast. Figurative sense of "temporary or makeshift solution to a problem, pallative" (often lower case, sometimes bandaid) is first recorded 1968; as an adjective, from 1970.[Band-Aid etymology, Band-Aid origin, 英语词源]