One trip around the sun
Encoding Strategies:
linguistic

annual
yearly
+
-o
noun suffix
Año means year and is a noun related to the English word annual0, which means yearly0.
año
year
A unit of time equal to 12 months or 365 days.
El año pasado viajé a EspañaLast year I traveled to Spain
Este proyecto tardará dos añosThis project will take two years
tener ... años
to be ... years old
In Spanish, you 'have' years rather than 'being' an age.
Tengo 25 añosI am 25 years old (I have 25 years)
Mi hermana tiene 18 añosMy sister is 18 years old (My sister has 18 years)