It manipulates food in the mouth during mastication and deglutition.

咀嚼吞咽食物期间处理口腔中的食物 。

Feeling without judgment is a washy draught indeed; but judgment untempered by feeling is too bitter and husky a morsel for human deglutition.

没有判断力的感觉实是无用的草稿；但是未经感情调的判断对于人类的吞咽来说太过沙哑。

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，舌头腭，们对食物的咀嚼（粉碎）吞咽（咽下）起作用。