пролетен означава в английски

springlike▼(typical of spring)
adjective
[UK: ˈsprɪŋ.laɪk] [US: ˈsprɪŋ.laɪk]

vernal▼(pertaining to or occurring in spring)
adjective
[UK: ˈvɜː.nəl] [US: ˈvɝː.nəl]