Q: What was the geometry student looking for at the beach? % A w) O' R8 z9 v' M1 k+ O" J7 ]5 n( Q9 U, Z3 Q
A: A tangent. : c0 D# }+ ?9 y 6 l& `6 R! C4 G# L' t, e; rtangent 6 m+ o% d# {6 o+ j) O2 p4 v
noun 5 z) Q( c& ?5 g" B7 B' A2 A4 j1 I (geometry) a straight line that touches the outside of a curve but does not cross it
狗仔卡
鲜花(
鸡蛋(
发表于 2009-4-8 12:18
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡