• 空口袋

emptydocn.空文档(empty document的缩写)emptyadj.空的；空洞的；空虚的；空腹的v.倒空；变空；排空n.空物empty by gravity重力卸车empty categories空语类emptying machine卸料机empty realization虚体现emptying fittings排空的零件empty element tagn.空组件卷标empty binary tree空二叉树emptying flushing泄空冲洗empty tube column空管柱empty lip service说得好听的空话