| 单词 | oval |
| 释义 | oval (once / 800 pages) adjn WORD FAMILY oval: ovally, ovals USAGE EXAMPLESA distinguishing feature of the project will be the construction of traffic ovals at each end of the bridge. Washington Post(Dec 31, 2016) Yet no one doubts who will be in the Oval Office on Jan 21. Washington Post(Dec 30, 2016) She limited herself to two or three colours, painting interlocking abstractions where ovals met rectangles and triangles and semicircles, often set within a circular whole. The Guardian(Dec 31, 2016) 1adj rounded like an egg Syn egg-shaped, elliptic, elliptical, oval-shaped, ovate, oviform, ovoid, prolate rounded curving and somewhat round in shape rather than jagged 2n a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it Syn|Hypo|Hyper ellipse circle ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point circle of curvature, osculating circlethe circle that touches a curve (on the concave side) and whose radius is the radius of curvature circleta small circle equatora circle dividing a sphere or other surface into two usually equal and symmetrical parts epicyclea circle that rolls around (inside or outside) another circle; generates an epicycloid or hypocycloid conic, conic section (geometry) a curve generated by the intersection of a plane and a circular cone |
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