| 词汇 | sand-dune |
| 释义 | sand dune noun[ C ] uk /ˈsænd ˌdjuːn/ us /ˈsænd ˌduːn/ a hill of sand made by the wind on the coast or in a desert（风吹成的）沙丘 GavinD/iStock/Getty Images Plus/GettyImages Geography: hills & mountains acclivity alpine tundra clifftop craggy esker highlands hillock Marilyn mesa mid-ocean ridge motte Mount Kilimanjaro pike scarp slope spur steep the Adirondack Mountains the Alaska Range the Alps In places like the Sahara, and other hot deserts, there are a lot of sand dunes (some as high as 180 meters) and rocks. sand dune | American Dictionarysand dune noun[ C ] us/ˈsænd ˌdun/ a dune Examples of sand dunesand dune The performance took place along a cliff top which dropped to a lagoon protected from the ocean by a thick sanddune. It ranges from the south coast's superb limestone cliffs and broad sandy beaches, to the salt marshes and sanddune systems in the north. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We are not talking about a derelict building in the middle of a sanddune. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 I know that he has raised it because sand dunes and sanddune stability are an important part of preventing coastal erosion. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Is not the best design of coastal defence actually the sanddune? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Is it to go on until we have planted up to the last sanddune going into the sea? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 There is only a low sanddune formation along the beach. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It has a beach with a famous sanddune almost 49 metres high. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. All that remains is the swimming pool, though it is currently buried in a sanddune that helps support part of the sea wall. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The varied habitats include saltmarsh, wet meadows, grassland, heath, sanddune, woodland and scrub. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Therefore, the survival of the species is threatened, as they depend greatly on the sanddune ecosystem. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The valley sanddune recreation area draws hundreds of thousands of off-road enthusiasts on good weekends. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Excavating, building roads, houses and walkways on coastal dunes or beaches also causes sanddune erosion by disrupting natural sediment processes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Wooden sand fences can help retain sand and other material needed for a healthy sanddune ecosystem. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The habitat consists of marshes with sanddune vegetation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of sand dune These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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