x No Plagiarism!6u2oBGP4u6TnmQgjbBC0posted on PENANA Why do cows have hooves instead of feet?8964 copyright protection469PENANAKVrcfWdxY1 維尼Because they lac tose 8964 copyright protection469PENANAdpApaOQDHR 維尼18.190.207.156ns18.190.207.156da2