If you have questions about the conjugation of птичье молоко or Russian nouns in general, you can practice and get feedback from a professional tutor.
Ешь белый хлеб с белым сыром, пей кофе с молоком, возьми мармелад... птичье молоко...
Tell me what you lack. You have cafe au lait, white bread, white cheese,... golden jam, eggs... Everything you want.
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