| 释义 |
sodium carbonateBrE /ˌsəʊdiəm ˈkɑːbənət/ NAmE /ˌsoʊdiəm ˈkɑːrbənət/ (also ˈwashing soda ) noun [U ] (symbol Na2CO3 ) a chemical in the form of white crystals or powder that dissolves and is used in making glass , soap and paper , and for making water soft 碳酸钠 |