Virus, infectious agent found in virtually all life forms, including humans, animals, plants, fungi, and bacteria, consist of genetic material — either deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) — surrounded by a protective coating of protein, called a capsid, with or without an outer lipid envelope.
- virus [ˈvaiərəs] n.病毒
- infectious agent [inˈfekʃəs - ˈeidʒənt] n.传染因子
- virtually [ˈvə:tʃuəli] adv.实际上
- fungi [ˈfʌndʒai] n.真菌类(singular: fungus)
- consist of [kənˈsist - əv] v.由…组成
- ribonucleic acid [raibənju:ˈkli:ik - ˈæsid] n.核糖核酸(略作RNA)
- coating [ˈkəutiŋ] n.外壳
- capsid [ˈkæpsid] n.衣壳(包裹着一个病毒粒子的蛋白质外壳)
- lipid [ˈlipid] n.脂质
- envelope [ˈenvələup] n.包裹性的结构或包皮，例如膜，或者病毒的包膜
