electronegative造句
If come menstruation and is
electronegative is the specification pregnant certainly?
如果来月经而且试纸是阴性是不是说明一定没怀孕?
This paper investigated the process of avalanche growth in
electronegative gas.
提出了一种分析电负性气体中电子崩发展过程的四参数模型.
Put least
electronegative element in the center . 2.
投入最少电阴性的元素在中心.