coalfields /ˈkəulfi:ldz/ 📖 中文释义 n. 煤田( coalfield的复数形式 ) 🔗 释义中的汉语词煤田 🧩 词形变化 原形 coalfield 📘 English Definition(英文释义) n. a region where there is coal underground ← coalfield C 字母词表 coalfish →