spittle

详细解释:n. 唾沫, 吐出的泡沫
【医】 唾沫, 涎液

英语解释：

名词 spittle:

a clear liquid secreted into the mouth by the salivary glands and mucous glands of the mouth; moistens the mouth and starts the digestion of starches同义词：saliva, spit