topic

[英][ˈtɒpɪk][美][ˈtɑ:pɪk]

n.主题; 话题，论题; 标题，细目;

复数：topics

例句:

1.

Atheism is a hot topic.

无神论是个热门话题。

2.

Happiness is a hot topic.

幸福是一个热门话题