圆环的英文怎么说

圆环的英文：
cirque

• A rotary intersection
  圆环交流[环行交叉]道
• The hoop rolled along the pavement.
  圆环沿人行道滚动.
• Torus Object
  圆环物体
• Circumferential coils
  圆环线圈
• Ring's diameter increases as we move away from the apex of the cone
  诸圆环的直径自圆锥顶逐渐增大。
• There were two scorch marks on the floor, each man-sized, situated between the circle and the window.
  在圆环和窗户之间有两个各一人大小的焦痕。
• The transforms of disks and rings and the like will obviously be circularly symmetric
  圆盘和圆环等的变换式显然将是圆形对称的。
• "festoon:a string or garland, as of leaves or flowers, suspended in a loop or curve between two points."
  〞花彩,花环:如叶或花的两端悬挂在圆环或曲状物中的线或花彩.〞
• In all cases, filtering operations are carried out using a square window or annulus
  在所有的情况下，滤波运算都是使用方形窗或圆环来进行的。