hardpan
音标['hɑ:dpæn]
汉语翻译
n. 硬质地层, 未开垦的硬地, 粘土层
英语解释
名词 hardpan:
- crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions同义词：caliche
详细解释
hard.pan
n.（名词）A layer of hard subsoil or clay.Also called caliche 硬质地层也作 calicheHard, unbroken ground.硬地A foundation; bedrock.坚固的基础；基本事实
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