algunaとは何ですか？ algunaはsomeです
someとは何ですか？
- Indica una petita quantitat indeterminada de coses o de persones, o només una de sola: vull escoltar algunes cançons; has tastat mai algun fruit tropical?
It indicates an undetermined small amount of things or people, or just one: I want to listen to some songs; have you ever tasted any tropical fruits?