Q: What was the geometry student looking for at the beach? . u& x1 F% Y0 H7 E& y' n; J: U# G % l9 V8 R, J- `8 D8 M9 `; fA: A tangent. # I# ~& w- X- O9 a8 p; s( C6 v ! V. V% }5 m; ]- Mtangent 0 u3 b9 s- `+ w* i8 C9 J+ Z
noun- ]" d. Y; x% X% t
(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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