base actionbasic actsbasic elementbasic motionbasic movementselemental motionelementary actionlead-up trickprimitive actiontherblig基本: basic; fundamental动作: movement; motion; action单人基本动作: ground tumbling基本动作时间: bmt basic motion time; element time基本动作训练: basic motion training下载手机词典可随时随地查词查翻译