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              absorption
              基礎(chǔ)科學(xué)

                      The uptake of liquid by cells.Most digested food is absorbed in the smallintestine,the inner surface of which is linedwith finger-like projections (villi): the liquidproducts of digestion are absorbed throughthe villi into the blood and lymphatic sys-tems......(本文共 399 字)     [閱讀本文] >>

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