新陈代谢

metabolism (biology) / the new replaces the old (idiom)

abbr. for Xinjiang 新疆[Xin1 jiang1] or Singapore 新加坡[Xin1 jia1 po1] / surname Xin

new / newly / meso- (chemistry)

surname Chen / Chen (c. 1045 - 479 BC), a Zhou dynasty state / Chen (557-589), one of the Southern Dynasties 南朝[Nan2 Chao2]

to lay out; to exhibit; to display / to narrate; to state; to explain; to tell / old; stale

to substitute / to act on behalf of others / to replace / generation / dynasty / age / period / (historical) era / (geological) eon

replacement / substitution / metabolism (biol.)

to thank / to apologize / (of flowers, leaves etc) to wither / to decline