大小单双的公式

简介：At dawn on another day, the rooster crows, and a big rooster with a red crest and a colorful tail flutters its wings and jumps onto the roof, with green tiles and yellow mud walls, and then oh~oh~oh! After the old lady Su opened the door of the chicken coop, a group of hens rushed out to the courtyard to look for any leftovers under the snow.