year-oldWiktionary 原文英美/jir oʊld/词源链中古英语Middle English约 1150–1500 年↓ 继承英语Englishyear-old词源说明The combining form -year-old dates from Middle English (ȝeer old(e), yeer old(e), yere old(e)).释义形容词adjective1Of the age of one year.名词noun1Someone or something of the age of one year.同族词相关词 1day-old