单词 trona 释义 trona Min.|trn|[a. Swed. trona (1773), app. from Arabic ṭrn, apocopate form of naṭrn, natron, ad. Gr. soda (Dozy).]Native hydrous sodium carbonate, found in various places in N. Africa and America.1799Kirwan Geol. Ess. 497 The trona wa...