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abacus

US [ˈæbəkəs]
UK ['æbəkəs]
  • n.算盘;【建】(圆柱顶部的)顶板
  • Web珠算;珠心算;栏杆小柱顶
Plural Form:abacuses  
abacus
n.
1.
算盘a frame with small balls which slide along wires. It is used as a tool or toy for counting.

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Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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