This form called murine typhus is serious.

寒是一种极为严重的疾病。

This form called murine typhus is serious. But often clears up on its own and responds to an antibiotic.

寒是一种非常严重的疾病。但也总是自愈，使用抗生素也有效果。

And murine and human brains are sufficiently alike that something similar almost certainly applies to people.

和的大脑非常相似，几乎可以肯定，似的东西也适用于。

Inside these murine skills lay clues to a puzzle many have called " the hardest problem in science" : the origins of language.

这些科动物的技能为许多称之为“科学中最难的问题”的难题提供了线索：语言的起源。