新东方在线：考研英语核心词汇36

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ahead of 在…之前, 超过…
    ahead of time 提前.
    ahead原始涵义：
    adv.在(某人或某事物的)前面The road forks further ahead.路在前面分岔。
    造句：
    Bush remains ahead of Gore among likely voters.
    布什在可能的投票者中仍领先戈尔
    Food is prepared ahead of time so that no cooking needs to be done during the festival.
    食物被提前准备好了，因此节日期间就不必做任何烹饪了。