单词 hypophosphoric 释义 hypophosphoric, a. Chem.|hp-, hapfsfrk|[f. hypo- 5 + phosphoric. So F. hypophosphorique.]In hypophosphoric acid, P2O2(OH)4, a tetrabasic acid, obtained as an odourless liquid.1854J. Scoffern in Orr's Circ. Sc., Chem. 376 This ope...