常見例句雙語例句HEV is a non-enveloped virus, with a positive-sense, single-stranded RNAgenome.戊型肝炎病毒（HEV）是一種無包膜、正鏈RNA病毒。Porcine circovirus (PCV), a member of the Circoviridae family, is a small, non-enveloped, spherical single-stranded DNA virus.豬圓環(huán)病毒屬圓環(huán)病毒科，是一種小型、無囊膜，單鏈DNA病毒。bookooo.cn 返回 enveloped virus