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单词 pons asinorum
释义 pons asinorum
 /as'euh nawr"euhm, -nohr"-/
 a geometric proposition that if a triangle has two of its sides equal, the angles opposite these sides are also equal: so named from the difficulty experienced by beginners in mastering it. Euclid, 1:5.
 [1745-55; < L pons asinorum bridge of asses]
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