常见例句Of the half cantons, Obwalden and Nidwalden together form Unterwalden, Basel-Land and Basel-Stadt form Basel, and Ausser-Rhoden and Inner-Rhoden form Appenzell. 瑞士的河湖面积达1726平方公里，占瑞士全国面积的4.;2%25。 返回 Unterwalden