新陈代谢

新陳代謝
xīnchéndàixiè
  1. metabolism (biology)
  2. the new replaces the old (idiom)

CEDICT

biology

Entry Composition

1 新 xīn
  1. new
  2. newly
  3. meso- (chemistry)
2 陈 chén
  1. (bound form) to lay out; to exhibit; to display
  2. (bound form) to narrate; to state; to explain; to tell
  3. old; stale
3 代谢 dàixiè
  1. replacement
  2. substitution
  3. metabolism (biol.)