topic/ˈtɔpɪk; `tɑpɪk/ nsubject of a discussion, talk, programme, written work, etc 论题; 话题; 题目 a topic of conversation 交谈的话题 Is drug abuse a suitable topic for a school debate? 把滥用麻醉药品问题当作学校辩论的题目是否合适?
牛津英汉双解词典