• (营业)开始时间,开放时间
• (商店)营业时间

opening at... 地方有空缺openingn.开口；开始；张开；开幕；空缺adj.开头的动词open的现在分词.opening-up thoughts对外开放opening up experiment开放实验opening reinforcement开孔补强opening-up strategy开放战略opening the hole wall开洞墙体opening strengthening开孔加强opening and reforming改革开放opening and scutching开松opening of the siphon(颈动脉)虹吸开大[脑血管照影中的异常征象]opening of the border边境开放