adding machine

名词 n.
中文释义

英文释义

名词 n.
  1. A simple mechanical or electromechanical calculator that performs simple calculations, such as addition or subtraction. It aids repetitive arithmetic, as compared with unaided human effort. It cannot do advanced functions like a scientific calculator can.
    — Near-synonyms: accounting machine, bookkeeping machine, tabulator

词形变化

adding machines plural
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