2013年4月21日日曜日
Cuisenairerod
cui;se;naire rod pronunciation: function: noun etymology: from cuisenaire, a trademarkdate: 1954 : any of a set of colored rods usually of 1 centimeter cross section and of 10 lengths from 1 to 10 centimeters that are used for teaching number concepts and the basic operations of arithmetic
2013年1月8日火曜日
Celestites
ce;les;tite pronunciation: function: noun etymology: german z?lestin, from latin caelestisdate: 1854 : a usually white mineral consisting of the sulfate of strontium
2013年1月1日火曜日
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