This is the 14176th most frequent Russian word.
опускается
"Опускается" means "is descending" or "is lowering."
Indicates the action of moving downward, specifically applied to the sun setting in this context.
Солнце медленно опускается за горизонт.
The sun slowly lowers beyond the horizon.
Refers to the action of decreasing, specifically applied to temperature levels in this context.
Температура резко опускается ночами зимой.
The temperature drops sharply during nights in winter.
Describes the action of descending or settling, applied to the movement of a feather towards a surface.