활성산소가 우리 몸을 공격하는 이유
B2 Korean listening practice · Standard Korean · Curated for upper-intermediate learners
A 1:45 video in Korean at B2 level, suitable for upper-intermediate learners. The speech is at a natural pace around 143 words per minute, rated 2.4/5, medium listening difficulty by Reelang’s algorithm.
- ▸Science - Discoveries, experiments, and how the world works.
- ▸Health & Wellness - Fitness, mental health, nutrition, sleep, and self-care.
- ▸Nature & Environment - The natural world, climate, and sustainability.