But despite so much variation, all domestic dogs are part of the same family, Canis familiaris, proven by DNA analysis to be descendants of Canis lupus, the wolf.是什么意思_But despite so much variation, all domestic dogs are part of the same family, Canis familiaris, proven by DNA analysis to be descendants of Canis lupus, the wolf.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句