it's my first time
Es mi primera vez en un acuario.
It's my first time at an aquarium.
Es mi primera vez en EE.
It's my first time in the US.
It's my first time.
This is my first time.
Es mi primera vez en los Estados Unidos.
It’s my first time in the United States.
— Hermano 2 (2000)
Esta también es mi primera vez.
This is also my first time.