趣味英语问答（1）what is black when it is clean and white when it is dirty?
2019-04-26
趣味英语问答（1）what is black when it is clean and white when it is dirty?
优质解答
what is black when it is clean and white when it is dirty?
什么东西黑色的时候是干净的,脏的时候是白的?
解答 Blackboard 黑板
what is black when it is clean and white when it is dirty?
什么东西黑色的时候是干净的,脏的时候是白的?
解答 Blackboard 黑板