나이 들수록 줄어드는 항산화 효소와 비타민 C의 역할
B2 Korean listening practice · Standard Korean · Curated for upper-intermediate learners
A 3:31 video in Korean at B2 level, suitable for upper-intermediate learners. The speech is at a natural pace around 134 words per minute, rated 2.4/5, medium listening difficulty by Reelang’s algorithm.
- ▸Health & Wellness - Fitness, mental health, nutrition, sleep, and self-care.
- ▸Science - Discoveries, experiments, and how the world works.
- ▸Self-Improvement - Life advice, habits, motivation, and personal growth.