circular hole

例句：

1. 1. The car hasa circular hole in the side.
   这辆车侧面有一个圆形孔洞。
2. 2. Thetree had a circular holein its trunk.
   那棵树的树干上有一个圆形孔洞。
3. 3. Thehole was too big for the tool tofit through.
   这个孔洞太大，工具无法穿过。