interregnum

国王去世后，国家经历了三个月的权力真空期，直到新君主加冕。

After the king's death, the nation went through a three-month ___interregnum before the new monarch was crowned.

公司创始人不预期地卸任后，公司经历了一段领导权真空期。

The company faced a leadership ___interregnum after the founder stepped down unexpectedly.

两位教务长之间的短暂权力真空期给了教员们不寻常的自主空间。

A brief ___interregnum between the two academic deans gave the faculty an unusual degree of autonomy.