antecedent

词语
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antecedent，英语单词，主要用作名词、形容词，作名词时译为“前情；祖先；（语法）先行词；前件”，作形容词时译为“先前的；（语法）先行的”。

单词用法

N-COUNT An antecedent of something happened or existed before it and was similar to it in some way.先例[正式][usu with supp]

短语搭配

Antecedent rainfall前期降雨；期降雨；前期影响雨量