医生建议将病人隔离以防止病毒传播。

Doctors recommended ___isolating the patient to prevent virus transmission.

医生需要从血液样本中分离出病毒。

The doctor needs to ___isolate the virus from the blood sample.

搬到新城市后，他感到与老朋友越来越疏远。

After moving to a new city, he started feeling ___isolated from his old friends.