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单词 cubarithm slate
释义

cubarithm slate

noun

cu·​ba·​rithm slate
ˈkyübəˌrit͟həm-,
thəm-
: a braille slate consisting of a box divided into square compartments into which cubes bearing on each face a number in braille dots may be placed in the usual pattern for performing arithmetical problems

Word History

Etymology

cube entry 1 + arithmetic

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更新时间:2025/2/24 5:10:41