剑桥词典 tartar noun (SUBSTANCE) [ 不可數或單數名詞：沒有複數形式的名詞 ] a hard substance that forms on the teeth 牙石，牙垢 tartar noun (PERSON) [ 可數名詞：有複數形式的名詞 ] old-fashioned disapproving a person who is often angry and unkind 兇暴的人，兇悍的人 返回 tartar