viroid
n. (植物致病的)类病毒
近义词：virusoid，
英英释义
Noun
- the smallest of viruses; a plant virus with its RNA arranged in a circular chromosome without a protein coat
例句
用作名词(n.)
- The best studied viroid causes a disease of potatoes.研究得较深入的是引起马铃薯病类病毒。