汶川地震中儿童青少年应激反应后唾液生化分析 关键词: 应激；唾液；唾液酸；电解质 [gap=1310]Key words: Stress; Saliva; Saliva Acid; Electrolytes
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Saliva takes about an hour to neutralise the acid created by a food or drink.
唾液要用一小时的时间才能中和掉由食物和饮料产生的酸性物质。
Saliva acts as a barrier, protecting the teeth by neutralising acidic foods such as oranges, and the acid produced by bacteria as they break down foods.
而唾液正像一道保护牙齿的屏障，把橘子等酸性食物以及细菌分解食物产生的酸性物质中和掉。
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.
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。
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