nonacid非酸性的, 非酸味的nonadv.[拉]非；不是Non-Tariff Barriers非关税壁垒制nonreversible control不可逆控制nonconservative force非守恒力,非保守力non -English majors非英语专业学生nonorientable surface不可定向的曲面nonmonotone condition非单调条件Non-touched IC card非接触IC卡nondegenerate lottery不变质彩票non-timber forestry杜仲Non-glandular hairs非腺毛