1、Interregna are times of great uncertainty and instability in the political landscape.
间歇期是政治局势中极不稳定和充满不确定性的时期。

2、During the interregna, a regent is appointed to rule in the absence of a monarch.
在主权交替期间，会指定摄政王来代为统治，以弥补缺席的君主。