We had to backtrack to the corner and cross the street.我们不得不原路返回到拐角处过街。Can we just backtrack a little bit and look at your primary and secondary education?我们能不能回过头来谈谈你的小学和中学教育？Air cargo loading problem by backtrack algor...
他拢岸让她下船，然后继续悠闲地在湖上划着。He rowed her ashore and then continued trolling around the lake.我们看着同学们悠闲地走进了大楼。We watched our fellow students saunter into the building.他们步态悠闲地出发了。They set off at a leisurely pace....
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...