I often read book in the library___ in the afternoon (late later)

填 later
later in the afternoon 下午晚些时候麻烦您再详细说下有点晕‘later 是late的比较形式，表示时间的先后，意为“较后的”、“较新的”，它能作形容词，也能作副词。 在本句中later 作副词。再看几个例子吧：I am busy now, I will talk to you later.（副词）我现在很忙，晚点再和你说。I think the rain will stop later in the afternoon .我想下午晚些时候雨会停的。