Noun:

1. (microbiology) an infectious protein particle similar to a virus but lacking nucleic acid; thought to be the agent responsible for scrapie and other degenerative diseases of the nervous system

PRIabbr.塑性保持指数（=plasticity retention index）Priban普里班Priola普廖拉Pridik普里季克Priegon.普列戈(在西班牙；西经 2º19' 北纬 40º26')Princi普林奇Prizzi普里齐Pribol普里博尔Pridien.普里迪Privot普里沃priaisn.三型板

1. Until that question is answered, the new era of the prion will remain confusing and frightening.
   如果这一问题得不到解答，朊病毒的新时期将仍然充满困惑和恐惧。
2. Still, scientists say new forms of prion diseases have arisen lately, and there's concern that they could hop to humans.
   尽管如此，科学家说近来出现了一些新的朊病毒疾病，人们担心这些疾病可能会传播到人类身上。