衣壳粒

例句：

1. 1. The scientist isolated the virus by isolating it from the infected tissue.
   科学家通过将病毒从感染组织中分离出来来隔离它。
2. 2. The researchers found that the particles in the sample were smaller than expected.
   研究人员发现样本中的粒子比预期的要小。
3. 3. The granules in the powder are small enough to be easily absorbed by the body.
   粉末中的颗粒足够小，可以被身体轻易吸收。