guardsn.警卫;狱吏;看守;护卫队名词guard的复数形式.
guardv.看守;守卫;保卫;提防n.警戒;哨兵;防护装置;警卫;【体】后卫
guard against deviation[法] 防止偏差
Guard ring of stern tube尾轴管防护环
guard bandless recording无保护带录像
guard the island outpost把守前哨岛屿
guarded railway crossing有防护装置的铁路道口
guard-cell mother cell保卫细胞母细胞