Retroviruses
n. [病毒] 逆转录酶病毒（retrovirus的复数）
🗣️ 情景例句
Are you still doing your photography?
你还在搞摄影吗？
It's a shame this machine is so slow.
真遗憾，这台机器太慢了。
A woman saw it happen when she was walking past.
一位妇女走过的时候，看到我的钢笔掉了。