How to use "ounces" in a sentence

Sentences

She poured two ounces into a water glass

He had just opened a bottle of balsamic vinegar and poured four ounces into a measuring cup when he heard movement behind him.

In one smooth lightning-fast movement, Elliot seized the measuring cup into which he had poured four ounces of vinegar a few minutes ago, and he threw the contents in Vince's face