protein coat的用法和樣例：
例句
- Exposure of certain viruses to low ionic strength results in subtle changes in the protein coat.
某些病置於低離子強度的環境中，可引起蛋白質外殼的細微改變。 - Any of a group of small viruses that contain DNA in an icosahedral protein shell and cause disease in many vertebrates,especially mammals such as dogs and cattle.
小脫氧核糖核酸病毒一類在二十面體蛋白外殼中含有脫氧核糖核酸的小病毒中的任一種，在許多脊椎動物，尤其是狗和牛等哺乳動物中引起疾病。
