单词	expert at
释义	expert at 擅长
随便看	open space in pile open space in woodland open space planning open space ratio open spaces open-spaces open space standard open space system open span open-spandrel arch open spandrel arch bridge open spanner open-sparking open sparring open sphere open spherical curve open spillway open spindle bearing open splice open-spring (loaded) safety valve open square butt groove open-square butt groove open square butt joint open square butt weld open square butt welding yxwk yxwl yxwm yxws yxwx yxwywzd yxwz yxxb yxxf yxxg 硬盖虫硬盘硬目的硬着头皮硬着陆硬石脂硬石膏硬砂漠硬碰硬硬磁盘