n.无害，无毒，无伤大雅的言行，没有害处的消遣...

innocuity的音标：innocuity的英式发音音标为：[ɪ'nɒkjʊɪtɪ]innocuity的美式发音音标为：[ɪ'nɒkjʊrtɪ]...

Objective : To study the choice principle of innocuity and nutrition shampoo material dosage and collocate way.目的: 研究无毒营养洗发液原料的选择以及配制方法.Comparing with traditional flocculant the secondary pollution wasand the biofloccula...