短语词组短语rear window cross sill [车辆]后窗框下横梁window -sill 窗座横栏;窗台window w sill 窗台door window window sill desk 桌子window sill greening 窗台绿化outside window sill 外窗台window sill brick 砌窗台砖window sill unit 窗台板单元 返回 window sill