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abacus

美音:[´æbəkəs ]点这儿播放单词美音发声
英音:[´æbəkəs ]点这儿播放单词英音发声
n.算盘
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abacus为短语/超纲词汇

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名词复数:abacuses

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abacus


/'æbəkəs; `æbəkəs/
n (pl -cuses / -kEsIz; -kE9sIz/) frame with beads that slide along parallel rods, used for teaching numbers to children, and (in some countries) for counting 算盘.

abacus


n[C]

[Date: 1300-1400; Language: Latin;Origin:Greek abax 'flat piece of stone']
a frame with small balls that can be slid along on thick wires, used for counting and calculating