The uninflected form of the verb.

动词的非屈折变化形式。

The folks who work there may do extraordinary things, but they tend to talk about them in the dry and uninflected tones of the engineers they are.

谁在那里工作的人可能不平凡的事情，但他们往往对他们谈话的工程师，他们是干燥和未发生屈折变化的色调。