thematic

1. ADJ Thematic means concerned with the subject or theme of something, or with themes and topics in general. 主题的; 专题的[正式] [usu ADJ n]

...assembling this material into thematic groups. ...按主题将这些材料整理出来。

2. thematicallyADV

...a thematically-linked threesome of songs. ...一组相关主题的三首歌。