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1·This last theory is attractive because it gives some hope of explaining the enclosed seas, such as the Sea of Japan.

最后一种理论很有吸引力，因为它给解释封闭海域（如日本海）带来了一些希望。

2·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。《柯林斯英汉双解大词典》

3·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。

4·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。

5·The newly enclosed area is very flat, 4 meters above sea level. The soil is mainly sandy and powdery and very suitable for engineering construction.

围垦新区地势平坦，平均海拔4米，地层以沙质粉土为主，土层稳定，最适合工程建设。