national flags fly at half-mast的意思|示意
美 / /
英 / /
各国降半旗致哀
national flags fly at half-mast的网络常见释义
降半旗致哀 ... lower flag at half-mast 降半旗致哀 national flags fly at half-mast 降半旗致哀 hoist a half-mast high 行使指挥权 ...