/reɪn/
to rule as king, queen, emperor, etc. 统治；当政；为王；为君
the reigning monarch
当政的君主
Queen Victoria reigned from 1837 to 1901.
维多利亚女王自 1837 年至 1901 年在位。
~ over sb/sth
Herod reigned over Palestine at that time.
那时，希律王统治巴勒斯坦。
noun
the period during which a king, queen, emperor, etc. rules 君主统治时期
in/during the reign of Charles II
在查理二世统治期间