Both Uses of

interpret
in
Nineteen Minutes

But there were miles to drive and defendants to arraign and chemical equations to interpret, and by the time Josie had set the bacon to drain on a pad of paper toweling, the moment had winged away.
Chpt 1

interpret = understand

The theory was that someone so used to the freedom of space couldn't handle the confinement, but Peter had another interpretation.
Chpt 1 *

interpretation = explanation or understanding

Definitions:

(1) (interpret as in: interpret Spanish to English)
to translate words into spoken words of another language

(This word is especially used in place of translate when the translation is done real-time, or on-the-fly, or immediately as needed.)
(2) (interpret as in: her interpretation of the data)
to understand or explain something in a particular way -- often the meaning or significance of something
(3) (interpret as in: her musical interpretation)
capture someone else's ideas, or express personal artistic ideas or feelings while performing someone else's work