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.