单词：retroviruses
n. [病毒] 逆转录酶病毒（retrovirus的复数）
n any of a group of viruses that contain two single-strand linear RNA molecules per virion and reverse transcriptase (RNA to DNA); the virus transcribes its RNA into a cDNA provirus that is then incorporated into the host cell
retrovirus的用法和样例：
词汇搭配
- hamster retrovirus地鼠逆转病毒...