electronegative的例句（electronegative在句子中的用法）

• Put least electronegative element in the center . 2. 投入最少电阴性的元素在中心.
• 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.
• 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?