This is the 5130th most frequent Russian word.
наполняется
"Fills up" or "is being filled."
The word 'наполняется' is used in the context of a container (glass) being filled with a substance (water), indicating the process of becoming full.
Стакан наполняется водой.
The glass is being filled with water.
Here, 'наполняется' describes the room accumulating or being enveloped by light, emphasizing how it becomes illuminated.
Комната наполняется светом по утрам.
The room is filled with light in the morning.
In this example, 'наполняется' conveys an emotional state, highlighting how her heart becomes overwhelmed with joy.