[ xīnchéndàixiè ] 1.(新的事物滋生发展, 代替旧的事物) the new supersedes the old.; the old is superseded by the new.; assimilation of the new and excretion of the old; the old gives place to the new.; the supersession of the old by the new; the transition from the old order of the things to the new.: 新陈代谢是宇宙间普遍的永远不可抵抗的规律。 the supersession of the old by the new is a general, eternal and inviolable law of the universe. 2.[生物学] the process of metabolism; metabolism 短语和例子 生物都有新陈代谢。 all living matter undergoes a process of metabolism