subsisvi.生存(给养)subn.潜艇；替代品vi.替代vt.转包合同subtandem exchange副转接局sub baseband sinal次基带信号subsurface cistern(复subsurface cisternae)表面下池substring notation子串表示法subthreshold swing亚阈值摆幅subflaval ligament黄韧带sub-sea wellhead水下井口substituent effect取代基效应submedian denticle亚中小齿(动)subtilopeptidase A枯草杆菌蛋白酶A