Q: What was the geometry student looking for at the beach? # Y. W$ ^1 a( _) B/ ?/ u; ^% j1 R6 O$ p( |4 V% I8 n: L
A: A tangent. ( N- ?, x! ]) n4 I1 v! q D * D- C0 o" t. W l; x$ d/ n. ~- Utangent : d( ^; D& C" c& W$ ^- J- q
noun " f; R |( V% w% o) v; |! N4 [9 v1 f (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