diffusevt.扩散;散开;传播vi.弥漫;扩散adj.冗长的;四散的
diffidentadj.无自信的;客客气气的;羞怯的
diffractionaladj.绕射的
diffraction ray衍射线
diffraction arc衍射弧
diffraction cell[电] 绕射池
diffraction area[医] 衍射区
diffraction spot衍射斑
diffraction halo衍射晕
diffraction ring衍射环
diffraction disc衍射盘
diffraction knot绕射结