This is the 2359th most frequent Russian word.
нуждаются
"Нуждаются" means "they need" or "are in need of."
In this sentence, 'нуждаются' is used to express that children require assistance or support.
Дети нуждаются в заботе.
Children need care.
Here, 'нуждаются' indicates that the plants require a specific action (watering) for their maintenance.
Эти растения нуждаются в ежедневном поливе.
These plants need daily watering.
In this context, 'нуждаются' conveys that it is essential or vital for people to have interactions with others.