On the loudspeaker his voice turned dull and cranky.在扬声器中,他的声音变得沉闷,听起来别扭.Announcements were made over the loudspeaker system.通知通过喇叭广播。The loudspeaker announced each airplane as it landed at the airport.每架飞机在机场一着陆, 扩音器就发出...
Joan of Arc was finally canonized by Pope Benedict XV in 1920.圣女贞德终于在1920年由教皇本尼狄克十五世封为圣徒。XZ ( Red ): A rapid metal removel media , heavy than XV, make a smooth surface.红色 ): 快速切削的磨块,比XV重, 能产生光滑的表面.McDonnell received a co...
Enterogenous cyst is a rare congenital lesion generally located in the mediastinum or the abdominal cavity.肠原性囊肿是一种罕见的位于纵隔或腹腔中的先天性损伤.Objective To investigate the clinical characteristic and therapeutic methods of intrasp...