What is black when it is clean white when it is dirty?
what is black when it is clean and white when it is dirty是--
What is clean when it is black and dirty when it is white?
What is black when it is clean and white when it is dirty?
what is black when it is clean and white when it is dirty?用英
What is black when it is clean white when it is dirty?
脑筋急转弯:1 What's black when it is clean and white it is dirty?
it is clean when it is black.it is dirty when itis white.wha
That is black when it is clean and white when it is dirty
What is biack when it is clean and white when it is dirty?
What、is、black、when、it、is、clean、and、when、it、is、dirty·谜底是什么?
智力测试What is black when it is clean and white when it is dirt
英语翻译4.What is black when it is clean and white when it is di