| 释义 |
barrier islandn.（名词）- A long, relatively narrow island running parallel to the mainland, built up by the action of waves and currents and serving to protect the coast from erosion by surf and tidal surges.沙洲，离岸沙州岛：与大陆平行的长且较狭窄的岛屿，在海浪或洋流的作用下形成，可以保护海岸以免被海浪冲刷和潮汐涨落所侵蚀
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