활성산소가 우리 몸을 공격하는 이유

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B2 Korean listening practice · Standard Korean · Curated for upper-intermediate learners

About this clip

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.

What this clip covers:
  • ▸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.

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