

Москва — столица России.
Moscow is the capital of Russia.
Ты знаешь, какая столица у Австралии?
Do you know what the capital of Australia is?
Наша столица очень большая.
Our capital is very big.
"столица" is in the lesson "Geography" (Level 22), along with 9 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.