The island is a part of the land surrounded by water. There are also islands formed by glaciers or sea erosion of the coasts and islands formed from the top of a submarine volcano.
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Sometimes the islands are arranged in an arc. There are deep pits on the convex shores of these islands facing the ocean.
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ANGLE is defined as the clearance between two intersecting lines in plane geometry. The point where the lines intersect is called the corner of the pain and the lines are called the edges of the angle.
出门在外多吃点好的，多注意身体。
