7 sentences

1. 这部电影的题材非常新颖。

   zhè bù diàn​yǐng de tí​cái fēi​cháng xīn​yǐng.

   The subject matter of this movie is very novel.

   Source: Dong Chinese Dictionary

2. 这两部电影的题材撞车了。

   zhè liǎng bù diàn​yǐng de tí​cái zhuàng​chē le.

   The themes of these two movies overlap.

   Source: Dong Chinese Dictionary

3. 末日题材的电影总是很受欢迎。

   mò​rì tí​cái de diàn​yǐng zǒng​shì hěn shòu huān​yíng.

   Doomsday-themed movies are always very popular.

   Source: Dong Chinese Dictionary

4. 不少影视作品都以慈禧太后为题材。

   bù​shǎo yǐng​shì zuò​pǐn dōu yǐ Cí Xǐ tài​hòu wéi tí​cái.

   Many film and television works take Empress Dowager Cixi as their subject matter.

   Source: Dong Chinese Dictionary

5. 星际旅行一直是科幻小说的热门题材。

   xīng​jì lǚ​xíng yī​zhí shì kē​huàn xiǎo​shuō de rè​mén tí​cái.

   Interstellar travel has always been a popular theme in science fiction.

   Source: Dong Chinese Dictionary

6. 这些书籍是按题材区分为不同类别的。

   zhè​xiē shū​jí shì àn tí​cái qū​fēn wéi bù​tóng lèi​bié de.

   These books are categorized into different classes based on their subject matter.

   Source: Dong Chinese Dictionary

7. 渔樵耕读是中国传统艺术中常见的题材。

   yú qiáo gēng​dú shì Zhōng​guó chuán​tǒng yì​shù zhōng cháng​jiàn de tí​cái.

   Fishing, woodcutting, farming, and studying are common themes in traditional Chinese art.

   Source: Dong Chinese Dictionary