ballparkWiktionary 原文英美/ˈbɔl(ˌ)pɑrk/n.（美）棒球场；活动领域；可变通范围中文释义来自 ECDICT构词拆解ballball词干parkpark词干词源说明From ball + park. Sense 2 related to ballpark figure.释义名词noun1USA field, stadium or park where ball, especially baseball, is played.2US, figurativelyThe general vicinity; somewhere close; a broad approximation.