单词	pyrophosphate
释义	pyrophosphate /ˌpʌɪrə(ʊ)ˈfɒsfeɪt / noun Chemistry A salt or ester of pyrophosphoric acid.Geranylgeraniol is distributed as a pyrophosphate ester in the envelope and thylakoid membranes of chloroplasts.... Calcium carbonate and calcium pyrophosphate are ingredients in toothpaste. Bisphosphonates are synthetic versions of pyrophosphate, a salt that the body manufactures to help with the metabolism.
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