Conclusion: The pit and fissure sealant have significant preventive effect on carious teeth.结论: 窝沟封闭能有效预防窝沟龋的发生.Objective To improve the diagnosis of acute pulpitis on molars without carious lesions.目的为了进一步提高非龋性磨牙急性牙髓炎的诊...
让人感到惊奇的是，板球碰巧也是我最喜欢的运动。By a curious twist of fate, cricket was also my favourite sport.米德尔塞克斯郡板球选手盖廷和恩伯里很难说是当红人物。Middlesex cricketers Gatting and Emburey are hardly flavour of the month.板球比赛能激起观众热情的地方很少。There was preciou...
I walked to him and took his outstretched hand which was rough with callus.我走向他，握起他那长满老茧的手。PP 333 promote callus induction of ttiree kinds of varieties except Dixie Green.PP333除了对迪斯绿有抑制作用外,对其它3种高羊茅的愈伤诱导都起促进作用.P 333 promo...