noun 下载 🔗分享 唾液，口水 A clear, slightly alkaline liquid secreted into the mouth by the salivary glands and mucous glands, consisting of water, mucin, protein, and enzymes. It moistens the mouth, lubricates ingested food, and begins the breakdown of starches. Examples : "The dog's mouth watered, and a drop of saliva fell to the floor as he watched me eat my sandwich. " 狗狗看着我吃三明治，馋得口水都流下来了，一滴唾液滴到了地板上。 physiology body substance biochemistry anatomy medicine organ biology science 与AI对话词汇游戏阅读练习
