保安部队继续巡逻至深夜。Security forces remained on patrol until late into the night.现在很少能看到巡逻的警察。These days, the bobby on the beat is a rare sight.他去巡逻，然后没再回来。He failed to return from a patrol....
The position relation between mandible and maxilla or cranioaural.下颌骨对上颌骨乃至颅骨的位置关系.Gingiva, chin, lip, check and mandible are the most commonly injuried sites.下颌骨骨折最常见.软组织伤多见于龈 、 颏 、 唇 、 颊.But the retrusion of alveolar m...