preparatoryadj.预备的；准备的；初步的n.预备学校；预科(在美国指为升入大学做准备的学校)Preparatory course Chinese teaching预科汉语教育preparatory stage of airborne combat空降战半准备阶段Preparatory Course for Master program研究生预科Preparatory training or instruction.初步的训练或指导preparatory office of hunan university湖南大学筹备处preparatory meetings/studies/work预备性会议/研究/工作preparatory procedure before civil trial民事审前准备程序preparatory circumferential welding seam预留环缝Preparatory period of process equipmtnet工艺装备准备周期preparatory technical work in production生产技术准备工作