stiffyn.勃起stiffadj.硬的；僵直的；艰难的；生硬的；拘谨的；烈性的adv.极其；僵硬地n.死尸；流浪汉；过于拘谨的人；吝啬鬼；醉鬼stiffly starched shirts浆得很挺的衬衫stiff mud brick machine硬泥造砖机stiffness of connection连接刚度stiff membrane scissors(硬)脑膜剪stiffness deterioration刚度劣化stiff-plastic process硬塑性成形法stiffness tilt audiogram(低频)陡倾听力图, (低频)陟倾(听力)曲线stiff bristle hair brush硬鬃毛发刷stiffleaf meliosma fruit笔罗子stiffness of twist drill钻头刚度