Saliva
例子
The mouth produces saliva, which helps to moisten food and initiate the process of digestion.
口腔产生唾液,有助于湿润食物并启动消化过程。
The dentist noted a decrease in saliva production, which could lead to dry mouth and dental issues.
牙医注意到唾液分泌减少,这可能导致口干和牙齿问题。



























