coarse sand meaning in English

粗砂；粗沙
粗砂土
粗砂直径
粗沙

Which is darker - coarse sand or fine sand
粗沙还是幼沙的颜色较深？
Then , why does coarse sand look darker
为什么粗沙看来较深色？
So scattering cannot explain why coarse sand looks darker
所以，散射现象并不能用来解释为什么粗沙看来较深色。
Concial sand from coarse sand
粗砂锥辗矽砂
Further study on key tributaries in coarse sand concentrated coming area in the middle yellow river
黄河中游粗泥沙集中来源区重点支流深化研究

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