topic

n. 题目,话题,主题

They discussed the weather and other topics.

他们讨论了气候和其他的话题。

The title, subtitle, or topic that stands at the top or beginning, as of a paragraph, letter, or chapter.

标题，题目出现在（如段落、信件或章节）顶部或开始处的标题、副题或论题