The students were sitting around the classroom snd discussing questions when their teacher came in.英译汉：
问题描述：
The students were sitting around the classroom snd discussing questions when their teacher came in.
英译汉：
答
当老师走进教室的时候,学生们正坐在教室里讨论问题
答
当老师进来的时候，学生们正坐在教室讨论问题
答
当老师走进教室的时候,学生们正环坐在教室里讨论问题.