입안의 침샘에서 분비되는 액체로, 음식물을 씹고 삼키는 것을 도우며 소화 작용을 하는 물질.
A watery liquid secreted into the mouth by glands, providing lubrication for chewing and swallowing, and aiding digestion.
예문:
"The enzyme amylase in saliva begins the process of breaking down starches into sugars."
"Dry mouth occurs when the salivary glands do not produce enough saliva to keep the mouth wet."
"The dog's saliva dripped onto the floor as it waited for its treat."