esta

• Det

  feminine singular of este

• Pron

antena

antenna

estaba

first/third-person singular imperfect indicative of estar

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)

la

• Article

  the

• Pron
• Noun

central

• Adj

  central

• Noun

de la

of the

botella

1. bottle
2. tank (closed container for liquids or gases)