тригодишен

• three years old; three-year-old (attr.)
• на тригодишна възраст at the age of three
• тригодишно дете a child of three, a three-year-old (child)
• (за срок) of three years, three-year (attr.), книж. triennial
• ТРИГОДИШЕН стаж three years of service
• тригодишно отсъствие an absence of three years, three years of absence