Lucky volunteers got to experience that, by chewing the food.

参与这项研究的幸运志愿者们在咀嚼食物时有了这样的体验。

It is generally divided into three phases: Oral phase, in which the food is chewed and lubricated to form a bolus.

口腔阶段，在这一阶段，食物被咀嚼和润滑，形成团状物。

The pizza goes in our oral cavity where we use our teeth to masticate, or chew the food up into small fragments.

披萨进入口腔后，我们用牙齿咀嚼食物，将食物嚼成小块。