单双循环的公式简介：He smacked his mouth and touched the prickly stubble that had just grown on his chin, thinking that at least he was in good condition, balanced and harmonious, and he didn't have to worry about the two of them.
He smacked his mouth and touched the prickly stubble that had just grown on his chin, thinking that at least he was in good condition, balanced and harmonious, and he didn't have to worry about the two of them.
