This is the 5159th most frequent Portuguese word.
orais
"Orais" means "oral" or "spoken," often relating to speech or verbal communication.
In this sentence, "orais" is an adjective modifying "exames," describing the nature of the exams as being conducted orally.
Os exames orais acontecerão na próxima semana.
The oral exams will take place next week.
Here, "orais" serves as an adjective to denote that the presentations were carried out verbally or spoken.
As apresentações orais foram muito interessantes.
The oral presentations were very interesting.
In this instance, "orais" is an adjective qualifying "habilidades," indicating effective spoken communication skills.