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来源:雅诚德英语网
Second, as you know, sand dunes contain other types of particles, besides sand, including clay and silt.
第二,正如你所知,除了沙粒,沙丘还含有其他类型的颗粒,包括粘土和淤泥。
Second, as you know, sand dunes contain other types of particles, besides sand, including clay and silt.
第二,正如你所知,除了沙粒,沙丘还含有其他类型的颗粒,包括粘土和淤泥。