hourlongWiktionary 原文英美构词拆解hourhour词干long-long后缀-longForms adjectives indicating length or duration when suffixed to nouns.词源说明From hour + -long.释义形容词adjective1Which lasts an hour, or approximately so.2Of or relating to an hourlong period of time.同族词相关词 2half-hourlong·hourslong