历史的，史实的，历史上的 词形变化
- 副词 historically
- 名称 historicalness
- 这两个形容词均含“历史的”之意。
historic指历史上有名的，具有历史意义的或者可成为史料的。
historical指历史上的或历史的，侧重在历史上出现过或与历史有关的。
- of or relating to the study of history
- belonging to the past; of what is important or famous in the past
- having once lived or existed or taken place in the real world as distinct from being legendary
- used of the study of a phenomenon (especially language) as it changes through time