jargon

Computer programmers often use technical jargon that sounds like a foreign language to regular users.

(Chinese) 计算机程序员经常使用一些在普通用户听来像外语一样的技术术语。

Medical students must spend years learning the complex jargon used by doctors and surgeons.

(Chinese) 医学生必须花数年时间学习医生和外科医生使用的复杂行话。