This is the 766th most frequent Indonesian word.
mengisi
To fill.
In this sentence, 'mengisi' refers to the act of filling out a form by providing the required information.
Dia sedang mengisi formulir pendaftaran.
He is filling out the registration form.
Here, 'mengisi' is used to describe the action of filling bottles with a substance, in this case, water.
Kami mengisi botol dengan air untuk perjalanan.
We are filling bottles with water for the trip.
In this context, 'mengisi' is metaphorically used to express how something occupies or enriches one's time or experience.