/ɪntərˈnæʃənl fluːviəl lɔː/ – Phrase
Definition: luật sông quốc tế, luật quốc tế về sông ngòi.
A more thorough explanation: International fluvial law refers to the body of legal principles, rules, and norms that govern the use and management of rivers and other watercourses that flow across or form boundaries between different countries. This area of law addresses issues such as water rights, pollution control, navigation, and the equitable sharing of water resources among riparian states.
Example: The international fluvial law governs the rights and responsibilities of countries sharing river systems that cross international borders.