topic
🇺🇸
/ˈtɑːpɪk/
🇬🇧
/ˈtɒpɪk/
A theme or area that is being discussed or dealt with.
The topic of climate change is a hotly debated issue in our society.
氣候變化的話題在我們社會中是一個激烈爭論的問題。