当咀嚼后，蚀斑中细菌分解食物时产生的酸可被唾液中和并冲刷掉。
After eating, saliva neutralizes and washes away acids produced when bacteria in plaque break down food.
如果特别想吃，那么不要小口小口吃，一次吃完，这样唾液可以尽快的中和掉口腔中的酸性物质。
If you must snack, eat it all at once, rather than picking at it, so that the saliva can quickly neutralise the acid generated in the mouth.
嚼一两片口香糖可能会使胃液回流入胃并使口腔分泌碱性唾液冲刷食道，中和胃酸，缓解由胃酸引起的“烧灼感”。
Chewing on a piece or two of gum, it seems, helps force fluids back into the stomach and flood the esophagus with alkaline saliva, neutralizing acids that cause the characteristic burning sensations.
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