Xanthine
[zænθi:n]
解释:
(noun.) crystalline oxidation product of the metabolism of nucleoproteins; precursor of uric acid; found in many organs and in urine.
比利编辑--From WordNet
[zænθi:n]
(noun.) crystalline oxidation product of the metabolism of nucleoproteins; precursor of uric acid; found in many organs and in urine.
比利编辑--From WordNet