The scientists also homed in on a potential mechanism: the activity of a gene responsible for helping the small intestine absorb salt and secrete bicarbonate.
这些科学家还追踪到一种可能的机制：一种基因活跃表达时会促进小肠吸收盐分排出碳酸盐。
2
For the chocolate cookies, sift together the flour, cocoa powder, baking powder, bicarbonate of soda and salt. Set aside.
制作巧克力饼时，把面粉、可可粉、烘焙粉和小苏打粉放在一起筛过，备用。
3
Baking soda, otherwise known as bicarbonate of soda, sodium bicarbonate, and, less commonly, saleratus , is a chemical salt with diverse practical uses.