Ostrava /'ɔ:strәvә/ 📖 中文释义 俄斯特拉发[捷克和斯洛伐克中北部城市] 📘 English Definition(英文释义) n an industrial city in northwestern Czech Republic in the Moravian lowlands; located in the coal mining area of Silesia ← ostranite O 字母词表 ostrea →