新陳代謝 xīn chén dài xiè

DEFINITIONS

  1. metabolism (biology)
  2. the new replaces the old (idiom)

CHARACTERS

新 xīn
HSK 2
new, recent, fresh, modern
陳 chén exhibit, display; plead; surname
代 dài
HSK 5
replace, replacement (of person or generation); era, generation
謝 xiè thank; decline