Is that your English-English dictionary?怎样回答

Is that your English-English dictionary?
-yes it is
-no it isn't
这是你的英英字典吗?
——是的,它是我的.
——不,它不是我的.
知道什么叫英英字典吗?就是你输入一个英文单词后,后面有一大堆英文的解释,那样的词典就是英英字典.