基本解释[地球科学]微碱性英汉例句双语例句N and P are raised from flowing dune to fixed dune, and K is not change great, the PH in mostly profile and arrangement is slight alkalinity ;土壤氮素和磷从流动沙丘到固定沙丘含量有所上升，钾素则变化不大，大部分剖面和层次土壤pH呈微碱性；slight alkalinity更多例句专业释义地球科学微碱性