existent form

• 存在形态

existent form的用法和样例：

例句

1. The paper researched the influence of humic acids on the existing form of heavy metals in Yongzhou copper mine and Chejiang copper mine contaminated tailing soils.
   实验研究了腐殖酸对永州铜矿山和衡阳车江铜矿中重金属存在形态的影响。