播音发声学中把口腔控制要领分为四个要点：“提颧肌、挺软腭、开牙关、松下巴”。其实这四个要点在实际运用中是一次完成的，基本方法是：“提颧肌之前下巴先稍微往后收，牙关（上下槽牙张开）打开，软腭自然上提挺起，颧肌自然向上提。”四个要点协调统一，一次完成。基于这 Broadcast phonology in oral control essentials is divided into four main points: “mention zygomatic muscle, very soft palate, open the mouth, loose chin.” In fact, these four points in the actual use is a complete, the basic method is: “before mentioning the zygomatic muscle slightly after the first closing, teeth off (upper and lower teeth open), soft palate naturally raised Tingzhuo natural Lift up. ”The four main points are coordinated and completed in one go. Based on this