释义 |
WordReference Random House Unabridged Dictionary of American English © 2024diges′tive sys′tem, - Physiologythe system by which ingested food is acted upon by physical and chemical means to provide the body with absorbable nutrients and to excrete waste products;
in mammals the system includes the alimentary canal extending from the mouth to the anus, and the hormones and enzymes assisting in digestion.
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