Absolutely! The sentence will stick in your brain. I quoted a sentence I'd learned on Duo to a Spanish teacher who'd sneered at lecciones por la computadora "Próxima ves entra por la puerta" "When would you ever use that?" But I've never forgotten it and can substitute words that fit the situation. Besides, some cows are very smart!
I am almost finished with "Charlotte's Web", and I am glad to leave it behind. I suppose using "the farmer" or "the farmer"s wife/son/daughter for every third person sentence would have been boring, but they could have used proper names. Also a little hoeing, raking, plowing, bailing, feeding, milking -- farm labor. Less closing of doors and windows. Seems like a missed opportunity to expand our vocabulary. Maybe a later farm lesson will actually contain a few farm related verbs and modifiers.
Also, I am now quite familiar with the female animals, but where are the bulls and the roosters. Are ducks swimming in the pond? Does the fox raid the henhouse? Maybe this farm could be a little more interesting and entertaining -- like the stories. Anyway, I hit level five on the farm so it's history unless I come back through. Just a minor annoyance. Overall, I'm enjoying the lessons, and I think I'm getting a little more control over the language.
I came here looking td see if someone would explain that it's an idiom. However, language is not just a set of sentences to memorize. Some nonsense sentences are important to make sure you're not always using context, and to keep your thinking flexible and improvisational.