Q: What was the geometry student looking for at the beach?8 L4 R# t/ D% }5 ~5 U
" n8 _& J6 b9 tA: A tangent. 5 ^) L/ ?) Z0 g/ n' E( G$ h, w( J% P# N! ~
tangent / ^& [2 N0 z# }; d! A+ Q" z
noun) k# f* _/ J; }: | I1 v" j
(geometry) a straight line that touches the outside of a curve but does not cross it
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发表于 2009-4-8 12:18
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