If this angled cut is not made, the shell will just fall back into the abdominal cavity (it is called the coelomic cavity in a reptile) and the incision site will never heal.

• 还有这些医生可不是学生，之所以说他们是学生是因为他们也没做过这种手术，所以说他们也是大姑娘上轿头一回，这样才说是学生的。