论文每页的页眉都标注了章节名称和页码。

The ___headers on each page of the essay show the chapter names and page numbers.

网页的头部信息包含了重要的元数据。

The webpage's ___headers include important metadata.

他用一记漂亮的头球攻破了对方的防线。

He broke the opponent's defense with a skillful ___header.