1 sentence

1. 他在历史课本上学习了关于邓小平的内容。

   tā zài lì​shǐ kè​běn shàng xué​xí le guān​yú Dèng Xiǎo​píng de nèi​róng.

   He studied about Deng Xiaoping in his history textbook.

   Source: Dong Chinese Dictionary