2015最新英语知识强化篇单词表before

中考网

before prep. adv. & conj
        在…之前;在前;以前;
        短语：1.before long 不久以后：
        e.g. Before long ,news came that China lost the game.
        不久以后传来消息说中国队比赛输了。
        2.the day before yesterday ：
        e.g. He went to see his grandmother the day before yesterday.
        他前天去看望他奶奶了。
        3.long before 很久以前。
        e.g.She said she had seen the film long before.她说很久以前就看过这部电影。