This is a naval base.

这是海军基地。

youdao

Navy Organization: There is a naval base located at Baku.

海军编制：巴库有一海军基地。

youdao

Russia, which has a naval base near Tartus, is also taking a keen interest.

在塔尔图拥有海军基地的俄国也对此表示高度关注。

youdao

That was three years after the United States established a naval base at Pearl Harbor, on the island of Oahu.

VOA: special.2009.03.02

They launched their plannoes on a quiet Sunday morning and attacked the huge American naval and air base at Pearl Harbor "We interrupt this program to bring you a special news bulletin: The Japanese have attacked Pearl Harbor,Hawaii by air, President Roosevelt has just announced."

VOA: special.2011.06.02

Moscow is Syria's largest arms supplier and maintains a naval base in Tartus.

WSJ: New Bid to Stifle Iran Aid to Syria

Its large banking sector has suffered losses on Greek bonds, and its biggest power station has been knocked out by munitions exploding on a naval base.

ECONOMIST: Charlemagne

The British and French government, as the protectors of the Arab state, shall agree that they will not themselves acquire and will not consent to a third power acquiring territorial possessions in the Arabian peninsula, nor consent to a third power installing a naval base either on the east coast, or on the islands, of the red sea.

BBC: Map detailing the Sykes-Picot agreement