Cherbourg had a splendid harbour enclosed by a long sea wall.

在瑟堡有一个由绵延海堤环绕、风景秀丽而壮观的港口。

Because it is virtually an enclosed basin, with an outlet to the sea only 55 km wide at the Strait of Hormuz, the gulf is especially vulnerable to oil spills.

由于波斯湾实际上是个封闭的盆地，只在霍尔木兹海峡有个宽仅55公里的入海口，因此遇到溢油特别容易损害。

This other China has many mountain ranges, thousand kilometre long chains stretching from west to east dividing the land into enclosed plateaus and basins whose rivers never reach any sea.

中国的这一部分有许多山脉，一座又一座绵亘千里，由西向东伸展，把土地分隔成一个个山峦环抱的高原和盆地，其中河流一向不通大海。

Today, the Navy's Marine Mammal Program includes several species of dolphins as well as sea lions that are trained to swim into enclosed Spaces and mark enemy frogmen.

今天，海军的海洋哺乳动物项目中包括几个种类的海豚和海狮，训练它们潜入被封锁海域以及标明敌方蛙人的位置。

The rooftop terrace has both glass-enclosed and open-air dining tables with views of the Sea of Marmara.

屋顶露台拥有封闭在玻璃房内和开放在户外可以欣赏马尔马拉海美景的餐桌。