圆的

1. 半圆壁，弧形窗在高高的屋顶上的小的，圆的或新月形的开口
   A small, circular or crescent-shaped opening in a vaulted roof.
2. 从前人们以为地球是平的，现在知道是圆的。
   People used to think that the world was flat; now we know it is round.
3. 我们能用半径计算出圆的面积。
   We can compute the circular area with radius.
4. 现在没有人会对地球是圆的这一事实提出异议。
   Nowadays no one will challenge the fact that the earth is round.

圆的英语翻译：