基本解釋n.[地]風蝕土脊；白龍堆同根派生 yardang相關詞英漢例句Distribution and Characteristics of Yardang Landform and Its Formation Period, West to Yumenguan, Gansu 玉門關西雅丹地貌的分布和特征及形成時代問題The Yardang Landform of Aqik Valley in the East of Lop-Nor and its Relationship with the Evolution of the Kumtagh Desert 羅布泊東阿奇克谷地雅丹地貌與庫姆塔格沙漠形成的關系yardang更多例句