新陈代谢

HSK 7-9

xīnchén-dàixiè

metabolism; renewal (fig.)

the new replaces the old (idiom)

人体的新陈代谢

rénrénde xīnchén-dàixiè

The body's metabolism

食物的消化和新陈代谢

shíwù de xiāohuò hé xīnchén-dàixiè

digestion and metabolism of food