单词 | soil layer |
释义 | > as lemmassoil layer soil layer n. ΚΠ 1911 Encycl. Brit. XXV. 351/2 The general evidence indicates that the specific bacteria of cholera discharges are capable of a much longer existence in the superficial soil layers than was formerly supposed. 1964 W. C. Putnam Geol. x. 249/2 Soil layers and particles may be lifted up by the expansion of freezing water. 1968 R. W. Fairbridge Encycl. Geomorphol. 416/1 On top of this [sc. the lithosphere] the continents have an additional soil layer or pedosphere with a depth generally of only 1–2 meters. < as lemmas |
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