基本解释adj.持续的动词last的过去式和过去分词形式.同根派生 英汉例句用作形容词 (adj.)The migration of dinoflagellate cysts with transapical archaeopyle su-ture from sea water to fresh water lasted relatively long.具过顶古口缝的沟鞭藻囊孢由海水向淡水迁移持续的时间较长。