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first (EN)
adjetivo, adverbio, sustantivo

adjetivo “first”

forma base first, no graduable
  1. primero
    My first attempt at baking a cake was a complete disaster.
  2. principal
    In her field, she is regarded as the first authority on genetic research.
  3. de la realeza (cuando se refiere a la familia de más alto rango en un país)
    The first lady of the country is the wife of the president.

adverbio “first”

first (more/most)
  1. primero
    First, let's go over the safety procedures before we start the experiment.
  2. inicialmente
    She first met her future husband at a friend's wedding.

sustantivo “first”

sing. first, pl. firsts o no contable
  1. el primero
    She was the first in the race.
  2. primera (marcha o velocidad)
    After starting the car, make sure it's in first before you pull away from the curb.
  3. el primer evento (cuando se refiere a algo que sucede por primera vez)
    His invention was a first in the field of renewable energy technology.