[델핀(Delphine)]

In Cyrillic "델핀"/"Delphine" is "Делфин". By the way it means "dolphin" in some languages.

Thanks for telling us how to spell delphine in Cyrillic.

[JesseAssof]

If youre serious about learning the language, then yes. You definitely MUST. If youre okay with how the things are right now, then learning Cyrillic is entirely up to you, just to broaden your horizons if you know what I mean.

[SEO]

It's an important writing system.