reading level的用法和樣例：
例句
- The author thinks a lack of vocabulary ability is the major factor that restrains reading proficiency.
因此，筆者認為，辭彙能力是影響閱讀水平的最主要因素之一。 - At the simplest level pupils can interrogate the library stock database using the simple keyword search module, which supports reading levels and book reviews.
在簡單的水平，學生可以審問圖書館股票資料庫使用簡單的關鍵字搜索模塊，它支持閱讀水平和書評。
