分类：教育/科学-外语学习
问题：请问这个sandbox是什么意思啊？whenthefirstgr 
when the first grade class came in f recess,the teacher asked."Alice Smith,what did you do during recess?"Alice said,"I play in the sand box"请问这个sand box是什么来的?这个sand box是什么意思啊？
回答：沙坑，沙盘，专供小孩子玩沙子的地方。