beach
来自维基词典,自由的词典
来自维基词典,自由的词典
鬆散的材料覆蓋著逐漸傾斜的地帶,這種典型的地帶有內弧形面,從低水線向陸地延伸,這裏的陸地是指有明確材質或地形形態的變化(如懸崖),或是永久的植被線(通常最洶湧的波浪對它的影響也是有限的;水體的岸邊由波浪或潮汐沖刷而成,通常覆蓋著沙子或沙礫,沒有裸露的岩石表面。(來源: BJGEO)
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