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
How come you're not studying?
你为什么不学习？
One hour today is worth two tomorrow.
今天的一个小时抵得上明天的两个小时。
or of the habits of the social insects, let us say.
和昆虫群居的习性