3 sentences

1. 大雨过后，江河的水位开始上涨。

   dà​yǔ guò​hòu, jiāng​hé de shuǐ​wèi kāi​shǐ shàng​zhǎng.

   After the heavy rain, the river water levels began to rise.

   Source: Dong Chinese Dictionary

2. 长江和黄河是中国最著名的江河。

   Cháng Jiāng hé Huáng Hé shì Zhōng​guó zuì zhù​míng de jiāng​hé.

   The Yangtze and Yellow Rivers are China's most famous rivers.

   Source: Dong Chinese Dictionary

3. 我们要像爱护眼睛一样爱护祖国的江河，防止水污染。

   wǒ​men yào xiàng ài​hù yǎn​jing yī​yàng ài​hù zǔ​guó de Jiāng Hé, fáng​zhǐ shuǐ wū​rǎn.

   We must cherish our country's rivers as we do our eyes and prevent water pollution.

   Source: Dong Chinese Dictionary