短语词组短语Aircraft roundel 国籍标志red roundel 红色表示镜colored roundel 有色表示镜signal roundel 信号光环;翻译spreadlight roundel 偏光镜deflecting roundel 折光镜;偏光镜roundel clip 表示镜卡圈pearl roundel 联珠纹color roundel spectacle 色玻璃框 返回 roundel