He hid his shirts under a navy sweatshirt.

他把衬衫藏在海军蓝的运动衫下。

Navy Seals are the special forces of the U.S. Navy.

海豹突击队是美国海军的特种部队。

The navy carries out missions at sea.

海军在海上执行任务。

The navy ships are docked at the port.

海军舰艇在港口停泊。

The navy has several powerful ships.

海军有几艘强大的船只。