This is the 10th most frequent Romanian word.
este
"Este" means "is" in English.
In this sentence, 'este' functions as the third-person singular form of the verb 'a fi' (to be) in the indicative present tense, linking the subject 'Acesta' (This) with the predicate 'un exemplu' (an example).
Acesta este un exemplu.
This is an example.
Here, 'este' is used as a copula verb connecting the subject 'Clima în această regiune' (The climate in this region) with its predicate adjective 'rece' (cold).
Clima în această regiune este rece.
The climate in this region is cold.
In this case, 'este' introduces an impersonal construction where it conveys existence or state of being within the context of necessity or importance.