Here are a few potential uses of "unifocal" in a sentence:
* Technical/Academic: "The microscope's unifocal lens allows for precise focusing on a single point of interest."
* Figurative: "Her gaze was unifocal, fixated solely on the prize at the end of the race."
It's important to note that the meaning of "unifocal" will depend on the context in which it is used. If you can provide more information about the situation or topic you are writing about, I can give you a more accurate and relevant example sentence.