so·di·um bi·car·bon·ate
noun/ˌsəʊdiəm baɪˈkɑːbənət/
/ˌsəʊdiəm baɪˈkɑːrbənət/
(also bicarbonate of soda, baking soda)
(also informal bicarb)
[uncountable] (symbol NaHCO3)
- a chemical in the form of a white powder that dissolves in water and is used in baking to make cakes, etc. rise and become light, and in making fizzy drinks and some medicines
碳酸氢钠；小苏打