multiplying

原句是这样的：all these books of the hour, multiplying among us as education becomes more general, are a peculiar possession of the present age

所有这些有关时间的书籍是当代的一个特有的财产，在我们中随着教育变得比较普遍这些书籍倍增。

multiplying among us education becomes more general现在分词短语充当定语，里面有一个as引导的状语从句