a subject of great topical interest; a topical subject

• 热门话题

a subject of great topical interest; a topical subject的用法和样例：

例句

1. Counter-terrorism is a topical subject.
   反恐是一个热门话题。
2. Recent events have made this film very topical.
   近来发生的事件使这部电影变成热门话题。