bluntadj.钝的；迟钝的；直率的v.使迟钝；变钝blunt afterbody钝尾部,钝形后机身blunt dissector钝头分离器blunt an attack挫进攻锐气blunt swept fin后掠钝缘舵bluntness effect钝度效果blunt ended body钝尾物体blunt based body平底物体blunt round file齐头圆锉blunt dissection钝器解剖,钝器解剖法blunt nosed cone钝头锥体