a circular hole twelve feet wide and two feet deep.

一个12英尺宽、2英尺深的圆洞。

Place your hands on your shoulders and move your elbows up, back, and down, in a circular motion.

双手放在肩膀上，肘部向上、向后和向下做环绕运动。

Both sides of the river can be explored on this circular walk.

沿着这条环形步行道走，河的两边就都可以看得到了。

The proposal has been widely publicized in press information circulars sent to 1,800 newspapers.

通过向1800份报纸发送新闻通告，这项提议得到了广泛地宣传。