| 释义 |
cir.cum.fe.renceHsE5kQmp7f[r7[nts, $sL5kQmp7fL-nthe distance around a circle, or the distance around the widest part of a circular or round object; the line enclosing a circular space圆周，周线the circumference of a circle/an orange [C]圆周/橘子的周长Draw a circle 30 centimetres in circum-ference. [U]画一个周长为30厘米的圆。The circumference is the outside edge of an area of any size or shape.周边, 外圈When walking dogs, please keep to the circumference of the park.遛狗时, 请在公园的外圈走。
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