It can bewashedout when it rains or it can be released to the atmosphere, whereas phosphorus combines with calcium and iron, and can be preserved in the soil for thousands of years.
它可以在下雨时被冲刷掉,也可以释放到大气中,而磷与钙和铁结合,可以在土壤中保存数千年。
2
So a few not be very good SEOER can bewashedout .
那么一些不是很好的SEOER就会被淘汰。
3
In this one process, a lot of small companies will bewashedout.