Other orthpoxviruses that cause infections in humans include variola (smallpox), vaccinia (used for smallpox vaccine), and cowpox viruses.是什么意思_Other orthpoxviruses that cause infections in humans include variola (smallpox), vaccinia (used for smallpox vaccine), and cowpox viruses.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句