它们开始时作为岬角和海崖的一部分与陆地相连，海浪粉碎地侵蚀了较为脆弱的岩石，而把较硬的岩石留在所形成海栈的后面。
They start as part of a headland or sea cliff connected to land. Smashing waves erode the softer rock, leaving harder rock behind in the form of sea stacks.
它们开始时作为岬角和海崖的一部分与陆地相连，海浪粉碎地侵蚀了较为脆弱的岩石，而把较硬的岩石留在所形成海栈的后面。
They start as part of a headland or sea cliff connected to land. Smashing waves erode the softer rock, leaving harder rock behind in the form of sea stacks.
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