| 单词 | hardpan |
| 释义 | hardpan (once / 82653 pages) n WORD FAMILY hardpan: hardpans USAGE EXAMPLESHardpan This is a lesson in not topping fairway woods. Golf Digest(Aug 25, 2016) Just as with cars, track preparations require complex wetting and grading to form a sticky hardpan that collects rubber, the line where there’s more traction. Wall Street Journal(Nov 17, 2015) The Masumotos had to break up the hardpan just below the surface, often using explosives. BBC(Jul 17, 2015) n crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions Syn|Hyper caliche dirt, soil the part of the earth's surface consisting of humus and disintegrated rock |
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