An Asian river between China and Russia; flows into the Sea of Okhotsk WordNet 3.0 & Open English WordNet

The Amur, or Heilong Jiang Wikipedia

Major river in Russia and China, forming part of the border between these countries. Wikipedia Disambiguation

Major river in eastern Russia and northeastern China Wikidata

The world's ninth longest river, forming the border between the Far East of Russia and Northeastern China, emptying into the Pacific Ocean through the Strait of Tartary, where the mouth of the river faces the northern end of the island of Sakhalin. Wiktionary

The river between the Far East Russia and China. Wiktionary (translation)