

La semana tiene siete días.
[la seˈmana ˈtjene ˈsjete ˈðias.]
A week has seven days.
¿Cenamos a las siete?
[¿θeˈnamos a las ˈsjete?]
Shall we have dinner at seven?
Vivo en el piso siete.
[ˈbiβo en el ˈpiso ˈsjete.]
I live on floor seven.
"siete" is in the lesson "Numbers" (Level 3), along with 19 other useful words. LinDuo has 180 topic lessons like this one, 2,369 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.