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

estableció

third-person singular preterite indicative of establecer

una

• Noun

  feminine of uno

• Article
• Det
• Pron
• Verb

segunda

• Adj

  feminine singular of segundo

• Verb

base

• Noun

  1. base
  2. basis
  3. basis
  4. grounding
  5. foundation
  6. point guard
  7. base
  8. base (forces and relations of production that produce the necessities and amenities of life)

• Verb

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)