continental shelf
noun [ C usually singular ] geology specialized uk/ˌkɒn.tɪ.nen.təl ˈʃelf/ us/ˌkɑːn.t̬ən.en.t̬əl ˈʃelf/
大陆架
the area of the bottom of the sea near the coast of a continent, where the sea is not very deep
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