典蕴文化网>谜语>What is black when it‘s clean and white when it‘s dirty?

What is black when it‘s clean and white when it‘s dirty?

收录日期:2025-12-01 19:46:03  热度:10℃

谜语:What is black when it‘s clean and white when it‘s dirty?

谜底:a blackboard

猜你喜欢