食指: index finger背面: the back; the reverse side; ...指背面: facies digitales dorsales manus第三指背面: dorsal surface of middle finger环指背面: dorsal surface of ring finger拇指背面: dorsal surface of thumb手指背面: dorsal surface of finger; dorsal surfaces of fingers小指背面: dorsal surface of little finger食指: index finger; forefinger; index背面: the back; the reverse side; the wrong side 信封的背面 the back of an envelope; 请阅背面 please turn over (p.t.o.); see overleaf; 背面半球 averted hemisphere (月球的); 背面布线 back wiring; 背面场 back surface field; 背面镀银镜 rear-silvered mirror; 背面防光晕层 antihalation backing; 背面放映合成摄影 rear projection process photography; 背面割面 back cupping; 背面光 back light; rear light; 背面焊缝 sealing run; 背面加固 fastback; 背面加厚织物 backed cloth; 背面加重织物 backed cloth; 背面接触式晶体管 back-contact transistor; 背面馈送 face-down feed; 背面扩散 back-diffusion; 背面立视图 rear clevation; 背面平纹哔叽 plainback; 背面起绒织物 backed cloth; 背面上胶 backing; 背面上浆 back starching; 背面竖砌砖墙 rowlock-back; 背面投射 backproject; 背面投影 rear projection; 背面投影机 back [rear] projector; 背面涂胶的标签 sticker; 背面线圈 backside loop; 背面印刷 backside [reverse] printing; 背面照明 back lighting; back bias指背部: regiones dorsales digitorum manusindex食指: index finger; forefinger搓食指: twisting index finger食指, 示指: digitus indices; finger second; index finger食指,示指: digitus indicis食指腱: tendon of index finger手指背动脉: dorsal digital arteries of hand指背侧腱膜: dorsal digital aponeurosis指背动脉: arteriae digitales dorsales manus; dorsal digital artery; dorsaldigitalartery指背静脉: dorsal digital vein指背皮下囊: bursae subcutaneae digitorum dorsales指背神经: dorsal digital nerves of radial nerve; dorsal digital nerves of ulnar nerve; dorsaldigitalnerves; nervi digitales dorsales指背诸区: regiones dorsales digitorum指背腱膜: dorsal aponeurosis; extensor expansion光学食指鲨: trackball explorer