at leastWiktionary 原文英美词源链古英语Old English约 450–1150 年æt lǣstan↓ 继承中古英语Middle English约 1150–1500 年at leste↓ 继承英语Englishat least词源说明From Middle English at leste, from Old English æt lǣstan.释义介词短语prepositional phrase1focusAt a minimum or lower limit.2In any event; anyway.