superpower

中文： 超级大国、超能力

1. A sovereign state with dominant status on the globe and a very advanced military, especially the United States or formerly the Soviet Union. (countable)
2. An extraordinary physical or mental ability, especially possessed by a superhero or supervillain. (countable)
3. A tetration. (countable, uncountable)
4. Excessive or superior power. (uncountable)

复数 superpowers