Linguists can mix, match or even break the rules of real-world languages to create interesting imaginary ones.
Milly Alcock learned 5 alien languages and trained daily to play Kara Zor-El in 'Supergirl,' as revealed in new CinemaCon footage from DC.
Milly Alcock shares 'Supergirl' footage at CinemaCon. She learned five alien languages and trained for an hour every da.
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