discon断距discon.迪斯科舞厅；迪斯科舞曲vi.跳迪斯科舞discoidal cleavage盘形卵裂discontinuous verb瞬间动词disconcordant twin相异双生discoidal division[医] 对角分裂discontinuous zone间断分布带discoidal triangle三角室discoidal placenta盘状胎盘discontinuous chip断屑disconsolate widow忧伤的寡妇discontinuous tube不全贯通式钢管