pivotalWiktionary 原文英美/ˈpɪvɪtəl/adj.枢轴的，关键的，起中心作用的中文释义来自 ECDICT构词拆解pivotpivot词干al-al后缀-alOf or pertaining to. Adjectival suffix appended to various words, often nouns, to produce an adjective form. Often added to words of Latin origin, but used with other words also. · Forming nouns, especially of verbal action.词源说明From pivot + -al.释义形容词adjective1Of, relating to, or being a pivot.2figurativelyBeing of crucial importance; central, key.同族词派生词 5nonpivotal·pivotality