este

this

libro

• Noun

  1. book
  2. bible, omasum

• Verb

foi

third-person singular preterite indicative of ir

a

• Prep

  1. to, toward; indicating direction of motion
  2. introducing an indirect object
  3. used to indicate the time of an action
  4. to, until; used to indicate the end of a range
  5. by, on, by means of; expresses a mode of action
  6. for; indicates price or cost

• Article
• Noun
• Pron

exposición

1. exposition
2. exhibition (a large-scale public showing of objects or products)

sistemática

feminine singular of sistemático

do

of the; from the; 's

diferencial

differential