| 单词 | moor pan | 
| 释义 | > as lemmasmoor pan   moor pan n. = moor-band n. ΘΚΠ the world > the earth > structure of the earth > constituent materials > earth or soil > 			[noun]		 > subsoil > hard subsoil pan1667 moor-band1800 hardpan1803 moor-band pan1844 moor pan1846 ortstein1903 1846    J. Baxter Libr. Pract. Agric. 		(ed. 4)	 II. 306  				The sub-soil plough was used for breaking the moor-pan. 1927    Jrnl. Ecol. 15 161  				The Bunter heaths show edaphic characters peculiar to the heath formation, namely, the formation of a thin surface peat and of a layer of moor pan. < as lemmas  | 
	
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