读音

/ˈsɜːr.kɪm.fəns/

释义

• 名词: 圆的周长；周围的长度。例如: “The circumference of the circle is 20 meters.”
• 名词: 范围；界限。例如: “The circumference of her knowledge was vast.”

短语

• “Calculate the circumference” 计算周长。
• “Within a certain circumference” 在一定的范围内。

例句

• 名词: “To find the area of a circle, you need to know its radius or circumference.”
• 名词: “The circumference of the Earth is approximately 40,075 kilometers.”

同义词

• Perimeter
• Boundary
• Edge
• Orbit
• Circuit