过去分词 过去式 BNC词频 37655 v. [专利]申请；存档（file的过去分词形式） v record in a public office or in a court of law v smooth with a file v proceed in line v file a formal charge against v place in a container for keeping records 原型: file 过去式: filed 过去分词: filed 英汉双解字典由 ECDICT 提供