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.
openings in enclosure机壳开孔
Opening-up vesicles开口膜泡
opening-door theory对外开放理论
Opening-up the west西部开发
opening for spark plug火花塞孔
opening to the outside对外开放
opening of sweat pores腠理开
opening lens diaphragm透镜光阑孔
opening and generating开放生成
opening ledger balance期初分类账余额