abacus

      音标：['æbәkәs]
      n. 算盘
      【计】 算盘
      【经】 算盘
      英汉词典
abacus的短语、例句：
      abacus n (pl -cuses ) frame with beads that slide along parallel rods, used for teaching numbers to children, and (in some countries) for counting 算盘.