three-year-long в словаре PONS

Переводы three-year-long в словаре французский»английский

triennal(e) <-aux> [tʀijenal, o] ПРИЛ.

1. triennal (qui dure trois ans):

triennal(e)

three-year-long

2. triennal (qui a lieu tous les trois ans):

triennal(e)

three-yearly

Одноязычные примеры (не проверены редакцией PONS)

английский

Instead, he was institutionalised in the tei psychiatric facility in 1976, following a three-year-long forensic investigation during which four thousand people were questioned.

en.wikipedia.org

The nearly three-year-long production cycle was plagued by many problems.

en.wikipedia.org