Adopt the engineering plastics, the surface is smooth, esthetic and magnificent.主体采用阻燃工程塑料, 表面光滑 、 美观气派.Objective : To explore the relation of gingivoplasty and esthetic dentistry.目的: 探讨牙龈成形外科与美容牙科的关系.Different models of...
激光射入聚碳酸脂表面将产生较大的折射角.Laser light incident the polycarbonate surface will be refracted at a greater angle into the surface.当折射棱镜折射角很小时, 称之为光楔.It is called the optical wedge , when the refraction angle of the refracting pri...
Kennedy exhorted his listeners to turn away from violence...肯尼迪劝诫听众远离暴力。He exhorted his elder.他规劝长辈.He exhorted his companions, "Try to accomplish your aim with diligence".他劝诫同伴说：“要通过勤奋努力实现自己的目标。”He exhorted his companio...
Two villages in Wales have banished analogue television and replaced it with digital TV last month.上个月,威尔士的两个村庄已经淘汰了模拟电视,转而使用数字电视.John was banished from England...约翰被逐出了英格兰。The vagabonds were banished from the train stat...