This is the 7478th most frequent Russian word.
двухлетняя
"Two-year" or "biennial."
Describing the age of a cat as two years old.
У нас есть двухлетняя кошка.
We have a two-year-old cat.
Referring to a training program lasting two years.
Она закончила двухлетнюю программу обучения.
She completed a two-year training program.
Referring to the duration of a subscription as two years.