Episomal
游离基因的（生物学术语）
🗣️ 情景例句
We just got here.
我们才刚刚到这儿。
I have a runny nose.
我流鼻涕。
but custom, we have a way of thinking, is behaviour at its most commonplace.
至于风俗呢，只是些司空见惯的行为而已。