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单词 silver sand
释义

silver sand

noun [mass noun] British
A fine white sand used in gardening.Some fine washed silver sand is flung into the joint to act as a flux, to reduce excess oxygen, and then the work is hauled out again in a another shower of white sparks....
  • Plants were grown in washed silver sand in 1.0 l capacity pots.
  • Three parts of soil were mixed with one part of silver sand, followed by incorporation of a nutrient mixture and N-labelled ammonium sulfate at 5 ppm.
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更新时间:2024/9/23 22:33:28