If you want to know how to say Could I please have an extra blanket? in Greek, you will find the translation here. We hope this will help you to understand Greek better.
Here is the translation and the Greek word for Could I please have an extra blanket?:
Θα μπορούσα να έχω μια επιπλέον κουβέρτα;
[Tha boroúsa na écho mia epipléon kouvérta?]
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