The contrastive analysis of preposition entries in ELDs and ECLDs demonstrates that current ECLDs have at least the following three defects in handling preposition entries: 1) lack of grammatical collocation information;

• 对目前较常用的英语学习词典和英汉学习词典的介词词条处理方式的对比分析显示:在介词词条处理方面,目前的英汉学习词典至少存在三大不足:1)介词词条中语法搭配信息单薄;