“粗砂”怎么读？

建议将粗砂掺到黏重的土壤里，以提高排水性能。It is advisable to mix coarse grit into heavy soil to improve drainage.桌上都是灰尘和粗砂.It was dusty and covered in grit....

“粗砂”的英语可以翻译为：grouan，coarse sand，flinty ground，arene ...