口水英文

口水的英文翻译：Saliva

Saliva is the watery and usually somewhat frothy substance produced in the mouths of humans and some animals. It is a crucial component of the digestive system, as it helps to moisten food, begin the process of breaking it down, and helps to protect teeth and gums. Saliva also plays a role in the sense of taste, facilitates swallowing, and helps to maintain oral health. Additionally, it contains enzymes that aid in digestion.

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