The Vietnamese word "doanh trại" is a noun that translates to "billet" or "barracks" in English. It refers to a place where military personnel are housed or stationed.
While "doanh trại" primarily refers to military housing, it can also imply a place of organization and discipline, given the structured environment of military life.
In summary, "doanh trại" is an important term in military vocabulary, denoting the living quarters of soldiers.