Notta诺塔notadv.不；没有；并非Not that I object.并不是说我有异议。not perpendicular to[化] 不垂直Not to be touched.不能被接触的not worth mentioning不值得一提notopleural mutation背侧板突变Not equal to zero.非零的不等于零的not in the slightestadj.一点也不notifiable workplace应呈报工场not simply connected非单连通的not worth one's salt