Collagen
[kɒlәdʒin]
解释:
(noun.) a fibrous scleroprotein in bone and cartilage and tendon and other connective tissue; yields gelatin on boiling.
克拉拉录入--From WordNet
解释:
(n.) The chemical basis of ordinary connective tissue, as of tendons or sinews and of bone. On being boiled in water it becomes gelatin or glue.
录入:特伦特