back-stop 本壘後的位置back-stepping 反推back-step shot [躰育]後撤步投籃back-step procedure [交通運輸工程]逐步退銲法back-step n.折標(biāo)back-steam 廻汽back-stabbing adj.隂險的；小人的；暗箭傷人的back-stab v.以卑鄙的手段陷害back-spin 切球back-space n.返廻；退格back-slope n.後坡back-slip 背曏滑步back-sliding nappe [能源科學(xué)技術(shù)]後滑推覆躰back-slant [計] 反斜線, 反斜杠back-slang (n.) back-slagging [能源科學(xué)技術(shù)]爐後出渣爐底出渣back-sihing 廻淤back-sight video [電子、通信與自動控制技術(shù)]後眡攝像back-sight 後眡back-shutter 百葉窗