两国山水相连。

The two countries are joined by common mountains and rivers.

中国与东盟国家或山水相连，或隔海相望。

China and ASEAN countries or be linked mountains and rivers, or across the sea.

中越是山水相连的友好邻邦，也是全面战略合作伙伴。

China and Vietnam, which are friendly neighbors linked by mountains and rivers, are also comprehensive strategic partners for cooperation.

中国与南亚山水相连，是南亚国家最大的邻国。

As the largest neighbor of South Asian nations, China is connected with South Asia by mountains and rivers.