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地中海是处于欧、亚、非三大洲之间的一个复杂的陆间海,总面积约250万平方千米。它被一些半岛和岛屿分割成几个半封闭的水域:爱琴海、亚德里亚海、第勒尼安海和利古里亚海等。有的水域远离基本水体而孤立地存在于一隅,有的则离基本水体较近。在离开大西洋向东、后又向东北——向里海的方向上,一路可以观察到它的海洋地理环境的变化情况:有时是逐渐变化的,有时却是急剧变化的;但这些变
The Mediterranean Sea is a complex intercontinental sea between Europe, Asia, and Africa, with a total area of approximately 2.5 million square kilometers. It is divided into several semi-enclosed waters by peninsulas and islands: the Aegean Sea, the Adriatic Sea, the Tyrrhenian Sea and the Ligurian Sea. Some waters are isolated from one another in the distance from the basic body of water, while others are closer to the basic body of water. In the direction of leaving the Atlantic Ocean to the east and then the northeast to the Caspian Sea, one can observe the changes in its oceanographic environment: sometimes it changes gradually, and sometimes it changes drastically; but these changes