词汇	backing pages
释义	backing pages 正反两页
随便看	One passenger is still unaccounted for One passenger travelling business class one-passes one pass gain one-pass laser one pass machine one-pass machine one pass operation one-pass operation One-pass reflection codeviation one-pass ribbon one-pass roll one-pass roller one pass rolling one pass scheme one-pass scheme one-pass solid removal efficiency one-pass type one pass weld one-pass weld one pass welding one-pass welding one path One path in a branching routine or procedure One patient developed transient abducens palsy