sea supremacy

例句：

1. 1. The nation's sea supremacy has beenchallenged by the rising power of China.
   该国的海洋霸权正受到中国崛起的挑战。
2. 2. Thediscovery of a new species in the oceanis a testament to the seasupremacy of our planet.
   在海洋中发现一种新的物种，证明了我们星球海洋的霸权地位。
3. 3. The country's seasupremacy is threatened by theincreasing competition from other nations in the globalshipping industry.
   该国的海洋霸权正受到全球航运业其他国家日益增加的竞争威胁。