Usages of dominar
Eu hei de terminar o meu doutoramento e dominar esta tecnologia.
I will finish my doctorate and master this technology.
Ela acha que há de dominar a língua e alcançar a fluência.
She thinks that she will master the language and achieve fluency.
Elon.io is an online learning platform
We have an entire course teaching Portuguese (Portugal) grammar and vocabulary.