baking soda
baking-soda的词性：
n.（名词）
1. A white crystalline compound, NaHCO3, with a slightly alkaline taste, used in making effervescent salts and beverages, artificial mineral water, pharmaceuticals, and fire extinguishers. Also called bicarbonate of soda, sodium bicarbonate
焙苏打：白色晶状化合物，NaHCO3，有弱碱性，用于制作泡腾盐和发泡饮料、人工矿泉水、药品和灭火器 也作 bicarbonate of soda， sodium bicarbonate