And not because of the ingredients in the gum but simply from the act of chewing known as mastication.

这不是因为口香糖中的某种成分所致的，而是因为咀嚼的过程。

It manipulates food in the mouth during mastication and deglutition.

它在咀嚼和吞咽食物期间处理口腔中的食物 。

We have special sensors beneath our teeth, when they feel the pressure of mastication, they send a signal to crank up the spit factories.

我们的牙齿下面有特殊的传感器，当它们感受到咀嚼的压力时，它们会发出信号来启动“唾液工厂”。

The structures within the oral cavity including the teeth, tongue, and palate, are involved in the chewing (mastication) and swallowing (deglutition) of food.

口腔内的结构包括牙齿，舌头和腭，它们对食物的咀嚼（粉碎）和吞咽（咽下）起作用。

I suggest food… or maybe gum. We have special sensors beneath our teeth, when they feel the pressure of mastication, they send a signal to crank up the spit factories.

我建议食物… … 或者口香糖。 我们的牙齿下面有特殊的传感器，当它们感受到咀嚼的压力时， 它们会发出信号来启动吐痰工厂。