noun
circle
/'sә:kl/
circle 是什么意思
圆周，社交圈，循环，范围
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 something approximating the shape of a circle a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra any circular or rotating mechanism.
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