7个数复式二中二有多少组

简介：The two pigeons flapped their wings and flew around twice. After confirming their position, they flew towards Xifengkou - only two pigeons were used to prevent accidents. After all, pigeons are not humans and the weather is changeable. , there are strong winds and heavy rain, and there are many hawks and falcons on the grassland, and the pigeons flying in the sky may also disappear.