curve /ˈkɝv/
 曲線,彎曲,曲球(vt.)彎,使彎曲(vi.)成曲形
 curve
 曲線
 curve
 曲線
 Curve a.  Bent without angles; crooked; curved; as, a curve line; a curve surface.
 Curve, n.
 1. A bending without angles; that which is bent; a flexure; as, a curve in a railway or canal.
 2. Geom. A line described according to some low, and having no finite portion of it a straight line.
 Axis of a curve. See under Axis.
 Curve of quickest descent. See Brachystochrone.
 Curve tracing Math., the process of determining the shape, location, singular points, and other peculiarities of a curve from its equation.
 Plane curve Geom., a curve such that when a plane passes through three points of the curve, it passes through all the other points of the curve. Any other curve is called a curve of double curvature, or a twisted curve.
 Curve, v. t. [imp. & p. p. Curved p. pr. & vb. n. Curving.]  To bend; to crook; as, to curve a line; to curve a pipe; to cause to swerve from a straight course; as, to curve a ball in pitching it.
 Curve, v. i. To bend or turn gradually from a given direction; as, the road curves to the right.
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 curve
      n 1: the trace of a point whose direction of motion changes [syn:
            curved shape] [ant: straight line]
      2: a line on a graph representing data
      3: a baseball thrown with spin so that its path curves as it
         approach the batter [syn: curve ball, breaking ball, bender]
      4: the property possessed by the curving of a line or surface
         [syn: curvature]
      5: curved segment (of a road or river or railroad track etc.)
         [syn: bend]
      v 1: turn sharply; change direction abruptly; "The car cut to the
           left at the intersection"; "The motorbike veered to the
           right" [syn: swerve, sheer, trend, veer, slue,
            slew, cut]
      2: extend in curves and turns; "The road winds around the lake"
         [syn: wind]
      3: form an arch or curve; "her back arches"; "her hips curve
         nicely" [syn: arch, arc]
      4: bend or cause to bend; "He crooked his index finger"; "the
         road curved sharply" [syn: crook]
      5: form a curl, curve, or kink; "the cigar smoke curled up at
         the ceiling" [syn: curl, kink]