澜沧江

瀾滄江
Láncāng Jiāng
Lancang River, the upper course (in southwestern China) of the Mekong River 湄公河 Méigōng

CEDICT

the part of the Mekong River in China

Wiktionary

湄公河上游中国境内河段名称

維基詞典

Entry Composition