wet spongy ground of decomposing vegetation; has poorer drainage than a swamp; soil is unfit for cultivation but can be cut and dried and used for fuel
双语例句
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。
The abundant plant fossils in coal beds indicate that they originated in warm, freshwater-swampy forests, much as peat bogs form now. 在煤层中出现的大量植物化石表明，煤是形成于温暖的具新鲜水的沼泽森林之中，很像现今的泥炭沼泽环境。
