semifinalWiktionary 原文中文来自 ECDICTn.半决赛构词拆分semi-前缀half · partial, incomplete+final词根/词干演变路径（由近及远）英语源自 ←拉丁语 semifinalis词源说明From Latin semifinalis, equivalent to semi- + final.释义（英文）名词 Noun(sports) A playoff in the round with only four players or teams left, the stage before the final.A competition that narrows a field of contestants (semifinalists) to a set of finalists, for a subsequent final.词族派生词（1）semifinalist相关词（2）finalquarterfinal