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 for vena cava[医] 腔静脉孔(膈)opening in the clouds云缝Opening to the public向社会开放opening balance sheet期初资产负债表opening up by tunnels平硐开拓opening to lesser sac[医] 网膜孔, 温斯娄氏孔openings for drainage用于排放的开孔opening up and reform改革开放opening teaching mode开放式opening online stores网上开店