1.

1. The historic battle changed the fate of two nations.
    这一历史上著名的战役改变了两个民族的命运。

1. 有历史意义的,历史的：gas 气体,煤气,汽油,空谈,闲聊 | historic 有历史意义的,历史的 | leisure 空闲,闲暇,悠闲,安逸

2. 有历史性的、历史上著名的：high-tech 高科技 | historic 有历史性的、历史上著名的 | hive 蜂房

3. historic的反义词

3. 具有历史意义的：■historian n. 历史学家 | historic 具有历史意义的 | historical 与历史研究有关系的

1. 历史(性）的;具有重大历史意义的
    Something that is historic is important in history, or likely to be considered important at some time in the future.

    e.g. ...the historic changes in Eastern Europe.
           东欧的历史性变革
    e.g. ...a fourth historic election victory.
           第4次具有重大历史意义的竞选胜利

1. important in history

    e.g. the historic first voyage to outer space

2. belonging to the past
    of what is important or famous in the past

    e.g. historic victories
           historical (or historic) times
           a historical character

    Synonym: historical