nacred

例句：

1. 1. The navy is the most powerful military force in the world.
   海军是世界上最强大的军事力量。
2. 2. He was a naval officer who served in the Mediterranean for many years.
   他是一位在地中海服役多年的海军军官。
3. 3. The naval officers were invited to attend the ceremony.
   海军官员受邀参加了仪式。