circle
/ˈsɜɹkəl/ 名词 A1中文： 球、弧、眼袋、圆形
- A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center). · The set of all points (x, y) such that (x − 1)² + y² = r² is a circle of radius r around the point (1, 0).
- A two-dimensional geometric figure, a disk, consisting of the set of all those points of a plane at a distance less than or equal to a fixed distance (radius) from a given point. · Near-synonyms: coil, ring, loop
- The orbit of an astronomical body.
- A circle of latitude. · the 49th circle· Antarctic Circle, Arctic Circle
- A state of moving as to follow a circle; a route that forms a circle. · The troops spent ten minutes marching in circle.· The children ran circles around the tree.
- Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures. · Children, please join hands and form a circle.
- Any thin three-dimensional equivalent of the geometric figures. · Cut a circle out of that sheet of metal.
- A curve that more or less forms part or all of a circle. · The crank moves in a circle.
复数 circles
短语动词和表达
来自图书馆
First it marked out a race-course, in a sort of circle, (“the exact shape doesn’t matter,” it said,) and then all the party were placed along the course, here and there.
“For one thing,” answered Richard, rankling a little, “it won’t buy one into the exclusive circles of society.”
“You tell me where your exclusive circles would be if the first Astor hadn’t had the money to pay for his steerage passage over?”
The cubs tumbled over each other in the center of the circle where their mothers and fathers sat, and now and again a senior wolf would go quietly up to a cub, look at him carefully, and return to his place on noiseless feet.
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