isolation by ligand specificity

例句：

1. 1. The research team is isolating the virus in a laboratory.
   研究小组正在实验室中隔离病毒。
2. 2. The scientist isolated a new species of bacteria from the soil.
   科学家从土壤中分离出一种新的细菌物种。
3. 3.The patient was isolated to prevent the spread of the disease.
   病人被隔离以防止疾病的传播。