常见例句Spontaneous and induced mutation occur with animals viruses.動物病毒的突變有自發突變和誘發突變。Scientists say H.I.V., human immunodeficiency virus, is related most closely to an animal virus.科學家們表示，人類免疫缺損病毒與一種動物病毒關系非常密切。 返回 animal virus