He raised the roof at the conference when he sang his own version of the socialist anthem, The Red Flag.他演唱自己改编的社会主义赞歌《红旗颂》时,声音穿透了会场的屋顶。Flag any files that might be useful later.给日后可能有用的文件做上标记。They hauled down the Union Flag.他们降下了英国国旗。Defenders of the Union Flag say it already embodies multiculturalism, being three national flags in one.拥护英国国旗的人说这面旗由三个国家的国旗合并而成,业已彰显多元文化。