topic /ˈtɔpik/ n. ［c］(文章、讲演的)题目，主题：write on the topic of… 以…为题目写作；a topic of discussion 讨论题 My main topic today is the history of the English language.我今天的主要讲题是英语语言史。
topical /ˈtɔpikəl/ adj.论题的，题目的；关注的话题：topical news 时事新闻；foreign or topical stamps外国或专题邮票；a popular topical affairs programme一栏受欢迎的时事节目The recent events in Europe have made this film topical.欧洲最近发生的事件使这部电影成了当前的热门话题。
