巴克斯曼backspace: vi. (按打字机退格键)使倒退一格,倒格。 backsloper: 量坡规backspace rear view mirror: 倒后镜backslope (disslope): 背坡,内坡,缓坡,顺向坡backspace (bksp)(bsp)(bs): 退格下载手机词典可随时随地查词查翻译