Arc

[ɑːk] or [ɑrk]

解释:

(noun.) a continuous portion of a circle.

录入:露西--From WordNet

解释:

(n.) A portion of a curved line; as, the arc of a circle or of an ellipse.

(n.) A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant.

(n.) An arch.

(n.) The apparent arc described, above or below the horizon, by the sun or other celestial body. The diurnal arc is described during the daytime, the nocturnal arc during the night.

埃莉诺手打

同义词及近义词:

n. (Geom.) Arch, part of a circumference.

整理:莱斯利

解释:

n. a segment of a circle or other curve.

海勒姆手打

例句:

录入:西德尼

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