求翻译：1、缺乏背景知识从而给理解能力带来影响，在阅读课学习中，尽管大多数学生在之前的学习中储备了不少的词汇量，但仍不能很好地读懂课文，这正是因为他们缺乏相应的背景知识。是什么意思？

1, the lack of background knowledge in order to give the ability to understand the impact in the reading lessons to learn, although most students in the study before reserves a lot of vocabulary, but still not good to read the text, precisely because They lack the appropriate background knowledge.

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1, the la