Beaman stadia arc

例句：

1. 1.The stadium is a marvel of modern architecture.
   体育场是现代建筑的杰作。
2. 2. The arc is the most iconic feature of the stadium.
   弧线是体育场最标志性的特征。
3. 3. The athletes are practicing their routines around the stadium arc.
   运动员们正在围绕体育场弧线练习他们的常规动作。