retroviral

例句:

• How the retroviral env gene has these effects is not clear.
  逆转录病毒env基因 为何拥有这种作用尚不清楚.
  
• Anti - retroviral drugs can extend life for many years.
  抗逆 转录病毒药物能够使生命延长多年.
  
• We will expand access to lifesaving anti - retroviral drugs.
  我们将让更多人用这种救命药物——逆转抗病毒药.
  
• In one, individuals were immediately given a course of anti-retroviral drugs.
  来自BBC
• One challenge is the lack of access to often expensive anti-retroviral treatments.
  来自VOA
• The men who are infected receive free anti-retroviral treatments and have monthly check-ups.
  来自VOA