狗喜欢在泥水洼里扑腾，河马则喜欢在其中打滚撒欢儿。Dogs love splashing in mud and hippos wallow in it.他一进来，狗就开始摇头摆尾。As soon as he got inside, the dog shook himself.他们更加关心那些狗的安危，而非自己如何干净利落地脱身。They were more concerned about the dogs' welfare t...