Retravirus
n. [微]逆转录酶病毒( 一种致肿瘤病毒)
🗣️ 情景例句
Need another box?
需要另一个箱子吗？
An old dog will learn no new tricks.
老家夥学不出新名堂。
If one law is changed, then people will later want to change other laws.
要是变更了一条法律，那么人们还会要变更别的法律的。