Question: 三伏天是何时开始
Answer: 2020-07-22; 2020-07-22; 07 22 2020; 22 七月 2020; 07/22/2020; 07-22-2020; 2020 july, 22; 2020 七月 22; 22/07/2020; 22 07 2020; 22-07-2020; 2020 07 22