1 sentence

1. 由于地势的影响，河道里的水开始向高处倒流。

   yóu​yú dì​shì de yǐng​xiǎng, hé​dào lǐ de shuǐ kāi​shǐ xiàng gāo​chù dào​liú.

   Due to the terrain, the water in the riverbed began to flow backward upstream.

   Source: Dong Chinese Dictionary