A humped, long-necked ruminant mammal of the genus Camelus, domesticated in Old World desert regions as a beast of burden and as a source of wool, milk, and meat.是什么意思_A humped, long-necked ruminant mammal of the genus Camelus, domesticated in Old World desert regions as a beast of burden and as a source of wool, milk, and meat.在线翻译_英语_读音_用法_例句