[GRE：核心词组之if,at,all] if词组

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if at all 就算真的有 　　释义 　　You use if at all to give emphasis in negative statements, conditional clauses, and questions. 　　例句 　　Other researchers believe that intelligence is minimallyheritable, if at all. 　　GRE 　　We are not told in what way, if at all, this discovery illuminates historical understanding. 　　就算有的话，我们也不知道这项发现如何能帮助理解这一历史。