This is the 321st most frequent Bulgarian word.
първите
"The first" (plural form).
In this sentence, 'първите' (the first) describes the plural noun 'студенти' (students) and indicates their position in an ordered group.
Учителите наградиха първите студенти, които завършиха проекта.
The teachers rewarded the first students who completed the project.
Here, 'първите' (the first) is used as an adjective modifying the plural noun 'дни' (days).
Първите дни на пролетта винаги ме радват.
The first days of spring always make me happy.
Here, 'първите' (the first) qualifies the plural noun 'впечатления' (impressions), emphasizing the initial nature of these perceptions.