This is the 1575th most frequent Korean word.
늘어나는
"늘어나는" means "increasing" or "expanding."
Here, "늘어나는" describes the action of the population growing over a period (continuous action).
인구가 점점 늘어나는 도시에서 교통 문제는 심각하다.
In cities where the population is continuously increasing, traffic problems become severe.
In this sentence, "늘어나는" indicates the volume of water growing as a result of ice melting (causal growth).
얼음이 녹으면서 물의 부피가 늘어나는 현상을 관찰했다.
I observed the phenomenon where the volume of water increases as the ice melts.
Here, "늘어나는" refers to the improvement or enhancement of physical flexibility due to exercise (beneficial increase).