新东方在线：考研英语核心词汇58

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　　attend to (=)注意,照顾;
    同义替换：
         give one’s attention, care and thought
    造句：
    He is really too busy to attend to anything else.
    他实在太忙, 无法分身。
    attend on(upon)侍候,照料
    同义替换：
    wait upon, serve, look after
    造句：
    The servant attends on his master.
    佣人侍候其主人。