常見例句用作名詞 (n.)The ancient mountains of Appalachia are corrugated with deep, narrow valleys, some of them no wider than a football field.阿帕拉契的古老山脈被又深又窄的山谷切割得高低起伏，有些山谷還不比一個(gè)足球場(chǎng)寬。 返回 Appalachia