单词 | surface soil |
释义 | surface soil (once / 29847 pages) n WORD FAMILY surface soil: surface soils USAGE EXAMPLESThey macerate and digest the leaves, and aid in mixing the decomposed matter with the surface soil. Rachel Carson, Silent Spring(1962) The letter concludes that “no further action is necessary with regards to the metals in surface soils at the Jordan Downs housing development.” Los Angeles Times(Sep 18, 2014) "It was also a challenge to confirm by studies of surface soils from the moon, because water produced there is continually outgassed into space." Scientific American(Jan 28, 2014) n the layer of soil on the surface Syn|Hyper topsoil dirt, soil the part of the earth's surface consisting of humus and disintegrated rock |
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