柯林斯词典diffract /dɪˈfrækt/ 1. V to undergo or cause to undergo diffraction (使)衍射 to diffract light the light diffracts at a slit 返回 diffract剑桥词典to break up light or sound waves by making them go through a narrow space or across an edge 衍射（光線、聲波等因阻礙而發生的擴散性傳播） 返回 diffract