Episomal
游离基因的（生物学术语）
🗣️ 情景例句
Then walk two blocks to the traffic light.
再走两条街到红绿灯处
I'm pressed for time.
我赶时间。
I'd also like to congratulate you on your good work in these two years.
我还要祝贺你在这两年中的出色表现。