thecal felon

例句：

1. 1.The thecal felon is a rare species of reptile that lives in the mountains.
   脊椎动物的罪犯是一种罕见的爬行动物，生活在山区。
2. 2. The thecal felon has been extinct for over 60 million years.
   脊椎动物的罪犯已经绝迹超过6000万年了。
3. 3.The thecal felon was discovered by a team of scientists during their research on ancient DNA.
   脊椎动物的罪犯是在科学家们研究古代DNA时被发现的。