This is the 3140th most frequent Chinese word.
专题
"专题" means "special topic" or "focused subject."
In this sentence, '专题' refers to a specific theme or subject for an event or activity.
我们学校开展了以环保为主题的专题活动。
Our school organized a special event focusing on environmental protection.
Here, '专题' denotes a focused research or study on a particular topic.
这本书是关于人工智能的专题研究。
This book is a specialized study on artificial intelligence.
In this context, '专题' refers to a specific topic or segment within a larger discussion or agenda.