基本解释n.( 加拿大政府主办的) 儿童牙齿免费保健同根派生 英汉例句In another incident, a dental surgeon at an NTUC Denticare clinic refused to attend to a Tan Tock Seng Hospital executive. 其次是陈笃生医院职员牙痛到职总牙科保健合作社属下诊所求诊,遭一名牙医拒绝看诊。