我开车开了好一阵穿过这片可怕的空旷之地。I drove for a while across this fearsome emptiness.这附近略显阴冷空旷。It's a bit chilly and empty hereabouts.一种不自然的寂静和空旷笼罩着.An unnatural silence and desertion reigned there....
In those days, dentistry was basic. Extractions were carried out without anaesthetic.那时候，牙科学刚起步，拔牙都不打麻药。His work was important in helping establish dentistry as a separate profession.他在推动牙医学发展成一门独立学科的过程中发挥了重要作用.Health Sc...
Results 17 cases have been treated effectively, 1 case balloon ruptured, 1 case parafunction of blood coagulability.结果在应用双气囊三腔管治疗的19例患者中,有效止血17例, 气囊破裂1例, 凝血功能障碍1例.PROGRESSIVE BALLOON DILATATION UNDER ENDOSCOPE FOR ACHALA...