Episomal
游离基因的（生物学术语）
🗣️ 情景例句
Yes. Those are excellent gifts. Who else do you need to buy for?
当然，这是都是最佳礼物。你还需要买给谁？
The small courtesies sweeten life; the greater ennoble it.
有点礼貌使生活愉快，多点礼貌使生活高尚。
I was late for work yesterday，
我昨天上班迟到了。