0 the main subject of a talk, book, film, etc. -- （谈话、书籍、电影等的）题目，主题
1 a song or tune that is played several times in a film, etc. and represents a character, situation, etc. -- （电影等的）主题歌，主题曲
The theme of freedom recurs throughout her writing.
The father-daughter relationship is a recurring theme in her novels.
On the surface it's a very funny novel but it does have a more serious underlying theme.
The movies she makes are all variations on the same theme.
Unfortunately, I had to leave just as the speaker was warming to his theme.
We believe these preliminary data support more extensive exploration of identified themes.
Any exploration of travel-writing and the art it describes must take account of these themes.
There are a number of themes that can be followed through these four volumes, however differently the authors approach their subjects.
