I did not think he was right, so I challenged him.我认为他是不对的, 因此向他提出质疑。This was Hyer's last fight, for no one else challenged him...这是海尔的最后一场比赛,因为再没有人向他发起挑战。I challenged him on the hypocrisy of his political attitudes...
一道冰冷的光线透过天窗漫射进来。A cold, diffuse light filtered in through the skylight.直射光比漫射光更有利于阅读.Direct light is better for reading than diffuse light.粗糙表面的反射常常叫做漫射.Reflection from a rough surface is often called diffuse reflection....