reading duration

例句：

1. 1.I spent a long time reading this book.
   我花了很多时间读这本书。
2. 2. The movie lasted for over two hours.
   这部电影持续了超过两个小时。
3. 3.She read the novel in one sitting, finishing it in less than an hour.
   她一口气读完了这本小说，不到一个小时就完成了。