Coalfield
n. 煤田
✅ 同义词
📖 牛津释义
coalfield
n district in which coal is mined 采煤区.
🗣️ 情景例句
Hello, Mr. Stewart.
哈喽， Stewart先生。
Adversity makes a man wise, not rich.
患难使人聪明，但不能致富。
Fortunately, a pilot saw the signal and sent a message by radio to the nearest town.
幸运得很，一位飞行员看到这个信号，用无线电给最近的城镇发了报。