hardpan
A distinct layer of soil that is largely impervious to water. / Synonym of dry lake.
(medicine) A form of more or less continuous muscular hypertonicity sometimes seen in young infants.
Not flavored.
(geology) A type of unconformity in which a sedimentary stratum is deposited on top of another stratum that has been significantly tilted and subsequently eroded flat.
数週間の雨の後、作物は表土の下の硬盤層が根の成長を妨げたため、育ちにくかった。
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DiQt（ディクト）
無料
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