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reckoner英英字典_reckoner剑桥英语解释_reckoner柯林斯英文解释_果味酸柯林斯词典
果味酸柯林斯词典

reckoner

R 开头单词

柯林斯词典

    reckoner /ˈrɛkənə/

  • 1. N any of various devices or tables used to facilitate reckoning, esp a ready reckoner 计算表; 尤指简易计算表

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