bicarbonate/ˌsoʊ.di.əm baɪˈkɑːr.bən.ət/名词碳酸氢钠,小苏打The recipe called for bicarbonate as a leavening agent to help the muffins rise perfectly in the oven.这个食谱要求使用碳酸氢钠作为发酵剂,以帮助松饼在烤箱中完美地膨胀起来。想跟读,去练习