harderadj.更硬的；更坚固的；更困难的adv.更努力地形容词； 副词hard的比较级.hardadj.硬的；困难的；棘手的；坚强的；残酷的；用力的；液态的；严寒的；确凿的adv.努力地；强烈地；严重地；坚定地hard-rock deposit硬岩矿床hard classification硬分类hard disk safeguard硬盘保护卡hard butter coating硬质脂肪包衣hard aluminum alloy硬质铝合金hard disk videotape硬盘录像机hard rubber spatula硬橡胶角刀hard maturing stage硬熟期hard abdominal mass腹中硬块Hard-water effect硬水效应