什么是by-election
问题描述：
什么是by-election
答
名词,递补选举,[法] 补选,缺补选举
美国传统辞典 A special election held between general elections to fill a vacancy,as for a parliamentary seat.
朗曼 especially BrE a special election to replace a politician who has left parliament or died
牛津英汉双解 election of a new Member of Parliament in a single constituency whose member has died or resigned （单独在某一选区举行的）国会*的补缺选举