First, part of speech.

Nouns and adjectives, when used as nouns, mean Russians; Russian, when used as an adjective, means Russian; Russian.

Second, phrase collocation.

1, Russian blue: Russian blue cat; Blue-gray; Slender; Light blue.

2. Russian Empire: Russian Empire; Tsarist Russia.

3. Russian Wikipedia: Russian Wikipedia; Russian encyclopedia.

4. Russian Federation: Russian Federation; Russia; Ethnic areas; Country.

5. Black Russia: Black Russia; Black Russia; Black Russians; Black Lucia.

6. Russian sturgeon: Russian sturgeon; Russian sturgeon.

7. Russian seasoning: Russian sauce.

8. Russian olive: Elaeagnus angustifolia.

Russian bilingual example:

1、The？ University? Is it? Play? Moderator? Where to? Answer? Group? Yes? Visit? Russian? Scientist. ?

The college is receiving a group of visiting Russian scientists.

2、The？ Russian? Healthy? Service? Really? Stimulated? Public? Interest? Are you online? Home? Cure.

Russian public medical services have aroused public interest in family therapy.

3、The？ Play? Is it? Loose? Foundation? Open? His? Childhood? Are you online? Russia.

That play is based on childhood life in Russia.

4、A？ Military? Band? Played? Russian? Parade? And then what? Folk? Tune. ?

The military band played Russian marches and folk music.