Retroviruses
n. [病毒] 逆转录酶病毒（retrovirus的复数）
🗣️ 情景例句
They'll be here soon, and then we'll eat.
他们马上就到。他们一到就开饭。
Could you hold your questions until I've finished?
请你把你的问题留到我把事情做完再问好吗？
I'll just play it by ear.
我到时随机应变。