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单词
pons asinorum
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pons
′
as•i•no
′
rum
(as′ə nôr
′
əm, -nōr
′
-),
USA pronunciation
Mathematics
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.
Latin
pōns asinōrum
bridge of asses
1745–55
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down-the-line
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更新时间:2026/11/3 22:32:24