pindexpyrosulfate./pahy-ruh-suhl-feyt/US // ˌpaɪ rəˈsʌl feɪt //焦硫酸盐,热硫酸,焦硫酸,焦硫酸盐Definitionsn.noun · 名词1. Chemistry.›a salt of pyrosulfuric acid. Level 5More words in p →