The book’s theme is the conflict between love and duty.
本书的主题是爱与责任之间的冲突。
Nature is a recurrent theme (= a theme that appears repeatedly ) in Frost’s poetry.
大自然是弗罗斯特诗作中反复出现的一个主题。
Most of Kurt’s other pictures were variations on the same theme .
库尔特的其他大部分画作都是同一主题的变奏。
adj. thematic
adv. thematically