O Dicionário Universal Inglês-Russo

• It is intended for a full-text search and it significantly expands the possibilities of working with lexical items from the Russian glossary of LingvoUniversal. Contains usage examples, synonyms, and antonyms.

во-первых

вводн.

first, first of all, in the first place, for one thing; firstly (только при перечислении || with enumeration only)