alkaline reaction短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 碱性反应 Under the environment of alkaline reaction soil, iron element of soil can not be absorbed by plant normally and make the leaves of plant lacking the iron and yellowing. 在这样的土壤环境下，土壤中的铁元素不能正常地被植物吸收利用，使植物叶片处于缺铁状态而呈现黄化症状。 fabiao