圓周
拼音：yuán zhōu英文解釋：
circle; circumference【醫】 verge
中文解釋：
形成圓形平面的邊界線 >>查看“圓周”在國語詞典中的解釋相關詞條：
1.circumferenceofacircle 2.circle 3.circum中英例句：
- 那一個點落在這圓的圓周線上。That point falls on the circumference of the circle.
- 羅盤上三十二個方位之一用來指示方向的水手羅經刻度盤圓周上標記的三十二等分中之一Any of the32 equal divisions marked at the circumference of a mariner's compass card that indicate direction.
- 地球的圓周長約為25000。The circumference of the earth is almost 25000 miles/The earth is almost 25000 miles in circumference.
- 地球的圓周長約為兩萬五千英里。The circumference of the earth is almost 25,000 miles.