Iambic pentameter is a commonly used type of metrical line in traditional English poetry and verse drama. The term describes the rhythm that the words establish in that line, which is measured in small groups of syllables called  feet .
The printed expiration date on milk is really just a sell by date, and milk is usually still good for a few days after that. Milk should last up to 7 days past the sell-by date if properly... The printed expiration date on milk is really just a sell by date, and milk is usually still good for a few days after that.
I have had milk in an open 1/2 gallon container stay good for at least 10 days after the for sell by date on the container. Then it was used up, so I don't know how long it would have remained good! Here is a question from the Dairy Council of California site: