A broad area of open land, often high but poorly drained, with patches of heath and peat bogs.
沼泽一片大面积的开阔地，通常很高但排水不好，有成片的荒野和泥炭田。
A broad area of open land, often high but poorly drained, with patches of heath and peat bogs.
沼泽：一片大面积的开阔地，通常很高但排水不好，有成片的荒野和泥炭田。
The washability of coal deposited in high peat bogs is better than that deposited in low peat moors.
高位泥炭沼泽形成的煤可选性好，而低位泥炭沼泽形成的煤可选性差。
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