他们已经仔细搜遍了其间绵延数英里的高沼地。They had scoured the intervening miles of moorland.穿越开阔的高沼地walking across open moorland他们犁了将近10万英亩未开垦的高沼地。Hey ploughed nearly 100,000 acres of virgin moorland....

“高沼地”的英语可以翻译为：highmoor，upland moor，moorland ...