Of course, they all wanted the day's wish. So Robert hurried to the sand-pit.
当然他们都希望实现那一天的愿望。所以罗伯特急忙向沙坑跑去。
2
The children tumbled about in the sandpit.
小孩在沙坑里翻滚着玩。
《新英汉大辞典》
3
They then built the sandpit initially with bricks, covered the bricks with concrete and then put small stones into the concrete to keep the natural appearance.