regresó

third-person singular preterite indicative of regresar

a

• Character

  The first letter of the Spanish alphabet, written in the Latin script.

• Noun
• Prep

Cuba

Cuba (an island and country in the Caribbean)

donde

• Adv

  where, in what place

• Conj
• Prep
• Pron

se

• Pron

  1. third person (also used for usted and ustedes) reflexive direct or indirect object oneself, himself, herself, itself, yourself; each other; one another
  2. used to convey the meaning of the English passive voice in the third person and with usted and ustedes

• Verb

doctoró

third-person singular preterite indicative of doctorar

en

1. in, at, on
2. in (a time)
3. in (a language)
4. used after some verbs and translated by various prepositions in English
5. in (in various expressions)

ciencias

plural of ciencia