同心圆 (tóng xīn yuán) — concentric circles

Definition

Examples

• 我们在数学课上画了同心圆。
  Wǒ men zài shù xué kè shàng huà le tóng xīn yuán.
  We drew concentric circles in math class.
• 这些圆都是同心圆，因为它们有一样的圆心。
  Zhè xiē yuán dōu shì tóng xīn yuán, yīn wèi tā men yǒu yí yàng de yuán xīn.
  These circles are all concentric circles because they have the same center.
• 画同心圆的时候，所有圆的中心必须一样。
  Huà tóng xīn yuán de shí hou, suǒ yǒu yuán de zhōng xīn bì xū yí yàng.
  When drawing concentric circles, the center of all circles must be the same.