sorter
  從事分類的人,把東西分類揀選的人
  sorter
  排序器
  sorter
  自動分類機
  sorter
  分類機
  Sort·er n. One who, or that which, sorts.
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  sorter
       n 1: a clerk who sorts things (as letters at the post office)
       2: a machine for sorting things (such as punched cards or
          letters) into classes