圆周 (yuán zhōu) — circumference (of a circle)

Definition

Examples

• 这个圆的圆周是多少？
  Zhè ge yuán de yuán zhōu shì duō shǎo?
  What is the circumference of this circle?
• 计算圆的圆周需要知道直径。
  Jì suàn yuán de yuán zhōu xū yào zhī dào zhí jìng.
  To calculate the circumference of a circle, you need to know the diameter.
• 这个圆的圆周大约是三米。
  Zhè ge yuán de yuán zhōu dà yuē shì sān mǐ.
  The circumference of this circle is about three meters.